Mac ACT Prep 2

One of the following is an equation of the linear relation shown in the standard (x,y) coordinate plane below. Which equation is it?

A square is circumscribed about a circle of 7-foot radius, as shown below. What is the area of the square in square feet?

• 49

• 56

• 98

• 196

Two workers were hired to begin work at the same time. Worker A's contract called for a starting salary of $20,000 with an increase of $800 after each year of employment. Worker B's contract called for a starting salary of $15,200 with an increase of $2,000 after each year of employment. If x represents the number of years' employment (that is, the number of yearly increases each worker has received), which of the following equations could be solved to determine the number of years until B's yearly salary equals A's yearly salary?

A ramp for loading trucks is 13 feet long and covers 12 feet along the level ground, as shown below. How many feet high is the highest point on the ramp?

• 1

• 2

• 4

• 5

The expression 7(x+3)-3(2x-2) is equivalent to:

• x+1

• x+15

• x+19

• x+23

• x+27

If 115% of a number is 460, what is 75% of the number?

• 280

• 300

• 320

• 345

• 400

• -17

• -5

• 1

• 13

• 25

What is the area, in square feet, of the figure below?

• 60

• 80

• 275

• 375

• 450

Barb is going to cover a rectangular area 8 feet by 10 feet with rectangular paving blocks that are 4 inches by 8 inches by 2 inches to make a flat patio. What is the minimum number of paving blocks she will need if all the paving blocks will face the same direction?

(Note: Barb will not cut any of the paving blocks.)

• 80

• 360

• 601

• 960

• 1,213