SAT math 1

If 2a + 3 = 6, then 3/(4a+6) =

In terms of x, what is the average (arithmetic mean) of 4x-2, x+2, 2x+3, and x+1?

If 4^(2x+2)=64, then x=

What is the least positive integer that is divisible by both 2 and 5 and leaves a remainder of 2 when it is divided by 7?

In this figure, the area of rectangle CDEF is twice the area of rectangle ABCF. If CD=2x+2, what is the length of AE, in terms of x?

If 2y^2+x-4=0 and x/2=y^2, the x=

If a laser printer can print x pages per minute, how many minutes, in terms of x, would it take the laser printer to print a 100-page document?

In the table above, f(x) is a linear function. What is the value of k?

Jackie uses 30 percent of her monthly earnings for rent and 50 percent of the remaining amount for food and transportation. If she spends $525 for food and transportation, how much does she pay for rent?

In Figure above, if congruent right triangles ABD and DCA share leg AD, then x=

If  (x+1)/2+(4x-1)/4=5.5,  then x=

If a∆b=√(b&a), then 10∆3≈

What is the solution set for the equation |2x-3|=13?

6!/2!3!=

In Figure above, the length of AC is 3 times the length of CD. If B is the midpoint of AC, and the length of CD, is 5, what is the length of BD?

Which of the following lines is parallel to y=-2x+3 and has a y-intercept of 4?

Two hea

In the Figure above, the area of quadrilateral ABCD is

If f(x)=x^2+x and g(x)=√x, then f(g(3))=

At a certain software company, the cost, C, of developing and producing a computer software program is related to the number of copies produced, x, by the equation C=30,000+2x. The company`s total revenues, R, are related to the number of copies produced, x, by the equation R=6x-10,000. How many copies must the company produce so that the total revenue is equal to the cost?

If the two squares in Figure above are identical, what is the degree measure of angle ADE?

Points , and C are collinear. If B is the midpoint of line segment AC, approximately what are the (x, y) coordinates of point C?

What is the solution set to the equation 4+x^2=2x^2-5?

Which of the following triplets can be the lengths of the sides of a triangle?

In Figure above, if , what is the approximate value of

On a recent chemistry test, the average (arithmetic mean) score among 5 students was 83, where the lowest and highest possible scores were 0 and 100, respectively. If the teacher decides to increase each student`s score by 2 points, and if none of the students originally scored more than 98, which of the following must be true?
I. After the scores are increased, the average score is 85.
II. When the scores are increased, the difference between the highest and lowest scores increases.
III. After the increase, all 5 scores are greater than or equal to 25.

If a>b and c>d, which of the following must be true?

1-2sin^2 θ-2cos^2 θ=

Sheila leaves her house and starts driving due south for 30 miles, then drives due west for 60 miles, and finally drives due north for 10 miles to reach her office. Which of the following is the approximate straight-line distance, in miles, from her house to her office?

If f(x)=x^2-1, g(x)=(x-1)^(-1), and x≠1, then f(x)g(x)=

If an empty rectangular water tank that has dimensions 100 centimeters, 20
centimeters, and 40 centimeters is to be filled using a right cylindrical bucket with a base radius of 9 centimeters and a height of 20 centimeters, approximately how many buckets of water will it take to fill the tank?