A clown at an amusement park makes animal shapes from twisted balloons. She sells each animal based on the number of balloons it requires, according to the following chart:
Which of the following functions equals the dollar cost of a balloon animal that contains x balloons?
(F) f(x) = x
(G) f(x) = x + 4
(H) f(x) = 4x + 0.5
(J) f(x) = 0.5x + 4
(K) f(x) = 0.5x + 3.5
If 
, what is the value of cos a?
(F) 
(G) 
(H) 
(J) 
(K) 
Correct Answer: H
Aru watches a movie that is 120 minutes long in 2 sittings. The ratio of the 2 sitting times is 3:5. What is the length, in minutes, of the longer sitting?
（A）8 （B） 15 （C） 45 （D） 60 （E） 75
Correct Answer: E
The 4 integers j, j, k, and n have an average of 0. Which of the following equations must be true?
(A) k = n (B) k = -j (C) k + n = -2j (D) k + n = 0 (E) k + n = j
Correct Answer: C
More ACT Math Exam Questions
- 1Erin and Amy are playing poker. At a certain point in the game, Erin has 3 more chips than Amy. On the next hand, Erin wins 4 chips from Amy. Now how many more chips does Erin have than Amy?
- 2
Two similar triangles have perimeters in the ratio 5:6. The sides of the larger triangle measure 12 in, 7 in, and 5 in. What is the perimeter, in inches, of the smaller triangle?
- 3
Greg is making a triangular sail for a boat, shaped like a right triangle and shown below.
To determine how much trim to buy for the sail, Greg calculated the sail's perimeter. What is the sail's perimeter, in feet?
- 4If point A has a non-zero x-coordinate and a non-zero y-coordinate and at least one of these coordinate values is positive, then point A must be located in which of the 4 quadrants labeled below?
- 5
In the (x,y) coordinate plane, what is the diameter of the circle having its center at (-6,1) and (0,9) as one of the endpoints of a radius?