Solve the problem.Last year, Maria earned $378 per week. This year, her salary increased to 
per week. What is the percent of increase? Round to the nearest tenth of a percent.
A. 9%
B. 91%
C. 91.7%
D. 8.3%
Answer: A
Mathematics
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Divide.- 
÷ (- 
)
A. - 
B. - 
C. 
D. 
Mathematics
Write using exponential notation. 7 ? 9 ? 9 ? 9 ? 9 ? 9
A. 17 ? 59 B. 7 ? 95 C. 635 D. (7 ? 9)5
Mathematics
Determine the amplitude and range of the given function.y = -2 sin x
A. amplitude: 2, range: [0, 2] B. amplitude: 2?, range: [-2?, 2?] C. amplitude: 2, range: [-2, 2] D. amplitude: 2?, range: [0, 2?]
Mathematics
Solve the given equation by completing the square.2x2 + 6x = - 3
A. 
B. 
C. 
D. 
Mathematics