If log9n= 
and n > 0, what is the value of 
?
(F) 3
(G) 
(H) 
(J) 
(K) 
The triangle shown below has exterior angles a, b, and c. What is the sum of those angles?
（A）360° （B） 315° （C） 225° （D） 180° （E） Cannot be determined from the information given
Correct Answer: A
A thin slice is cut from a bagel, creating the cross-section represented below. The diameter of the bagel is 144 mm and the width from the inner edge of the bagel to the outer edge is uniformly 56 mm. Which of the following is closest to the area, in square millimeters, of the shaded empty space inside the cross-section of the bagel?
(F) 100 (G) 450 (H) 800 (J) 3,200 (K) 16,000
Correct Answer: H
Which of the following values for a in the equation 3x + 3a - 5 = 5x - a causes the solution for x to be 6?
（A）-8.5 （B） -4.25 （C） 4.25 （D） 8.5 （E） 13.25
Correct Answer: C
More ACT Math Exam Questions
- 1If function f is defined by f(x) = -2x3, then what is the value of f(f(1))?
- 2
Which of the following is NOT a factor of 4x2y4– 12x3y2– 8xy3?
- 3What is the missing number in the sequence 1, 5, 10, 16, 23, 31, __?
- 4What is the value of 4v(w2– 3vw) given that v= –1 and w= 4
- 5
Cyclist A averages 80 pedal revolutions per minute, and Cyclist B averages 61 pedal revolutions per minute. At these rates, how many more minutes does Cyclist B need than Cyclist A to make 9,760 pedal revolutions?