Write the rate as a fraction in simplest form. Be sure to include the units in your answer.102 hours for 21 projects
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Write a formula for the general term, or nth term, for the given sequence.-2, 4, -8, 16, -32, . . .
A. an = (-1)n(2n) B. an = -2 + 2(n - 1) C. an = (-1)n(2)n D. an = (-1)n - 1(2)n
Mathematics
Solve the problem.From the edge of a 1000-foot cliff, the angles of depression to two cars in the valley below are 21° and 28°. How far apart are the cars? Round your answers to the nearest 0.1 ft.
A. 724.5 ft B. 724.4 ft C. 714.4 ft D. 713.4 ft
Mathematics
Find the asymptotes of the hyperbola.7x2 - y2 - 56x + 14y - 49 = 0
A. y - 7 = ± 
(x - 4)
B. y - 7 = ± 7(x - 4)
C. y - 4 = ± 
(x - 7)
D. y - 7 = ± 
(x - 4)
Mathematics
Find the zero of the function f.f(x) = -3(9x - 4) + 5(-6x + 8)
A. - 
B. 
C. - 
D. - 
Mathematics