Solve the problem.Find the value of a if the tangent to the curve of y = -0.5x2 +ax has a slope of 1 for x = 12 .
A. -12
B. 12
C. 13
D. -13
Answer: C
Mathematics
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Evaluate using the correct order of operation.
2 ÷ 
A. 
B. 
C. 
D. 
Mathematics
Identify the exponent and the base, and then simplify the expression.25
A. exponent: 2, base: 5, simplified: 10 B. exponent: 5, base: 10, simplified: 32 C. exponent: 5, base: 2, simplified: 32 D. exponent: 10, base: 5, simplified: 2
Mathematics
Solve the problem.The psychology lab at a college is staffed by 9 male doctoral students, 8 female doctoral students, 10 male undergraduates, and 14 female undergraduates. If a person is selected at random from the group, find the probability that the selected person is an undergraduate or a female.
A. 
B. 
C. 
D. 
Mathematics
Solve.
- 
= 0
A. 
B. 
C. 
D. 
Mathematics