Evaluate.Evaluate 
for a = -49 and b = -7.
A. 7
B. 42
C. -7
D. -42
Answer: C
Mathematics
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Provide an appropriate response.Solve the following equation: 3n = 4n - 9
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the probability.A spinner has regions numbered 1 through 15. What is the probability that the spinner will stop on an even number or a multiple of 3?
A. 
B. 12
C. 
D. 
Mathematics
Solve the equation and express the solution in exact form.log2 
= 
A. {- 16, 16} B. {- 4, 4} C. {4} D. {- 2, 2}
Mathematics
Write a fraction and a percent for the shaded part of the figure.
A. 0 or 0%
B. 
or 1%
C. 
or 0.1%
D. 1 or 100%
Mathematics