Determine the total turn for the closed curve. Assign a positive measure to counterclockwise turning.
A. -360°
B. 720°
C. 0°
D. 360°
Answer: A
Mathematics
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Determine whether or not the equation is quadratic.x2 = (x - 2)2
A. Quadratic. B. Not quadratic.
Mathematics
Find the probability of the event.A bag contains 13 balls numbered 1 through 13. What is the probability of selecting a ball that has an even number when one ball is drawn from the bag?
A. 6
B. 
C. 
D. 
Mathematics
The function f is one-to-one. Find its inverse.f(x) = (x + 2)3 - 8.
A. f-1(x) = 
B. f-1(x) = 
- 2
C. f-1(x) = 
+ 8
D. f-1(x) = 
Mathematics
Solve the problem.Claire received scores of 85, 88, 87, and 75 on her algebra tests. What score must she receive on the fifth test to have an overall test score average of at least 83?
A. at most 80 B. at most 81 C. at least 80 D. at least 81
Mathematics