Find the difference.-42 - 42
A. -126
B. 84
C. -84
D. 0
Answer: C
Mathematics
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Solve the problem. Write ratios in lowest terms.A certain lake is 1500 feet deep. A nearby lake is 1400 feet deep. Write the ratio of the first lake's depth to the second lake's depth.
A. 
B. 
C. 
D. 
Mathematics
Write an equation for the graph of the sine or cosine curve.
A. y = 3 sin (6x) B. y = 3 sin (12?x) C. y = 3 sin (6?x) D. y = -3 sin (6?x)
Mathematics
Find dy/dt.y = 3t(3t + 2)4
A. 3(3t + 2)3(15t + 2) B. 3(3t + 2)3 C. 3(3t + 2)4(7t + 2) D. 3(15t + 2)3
Mathematics
Evaluate the expression.(-10 + 24) ÷ 7 - 25
A. 23 B. -27 C. 27 D. -23
Mathematics