Convert the units using unit fractions.18 c = 
pt
A. 36
B. 144
C. 9
D. 72
Answer: C
Mathematics
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Multiply.13(-12)
A. -169 B. 169 C. -156 D. -144
Mathematics
Use vertices and asymptotes to graph the hyperbola. Find the equations of the asymptotes.
- 
= 1 
A. Asymptotes: y = ± 
x
B. Asymptotes: y = ± 
x
C. Asymptotes: y = ± 
x
D. Asymptotes: y = ± 
x
Mathematics
Solve the problem. Round amounts to the nearest tenth if necessary.Suppose that z varies jointly with x and y and that z = 405 when x = 9 and 
Find the constant of variation k. Then use z = kxy to find z when x = 3 and 
A. k = 0.3; z = 3.6
B. k = 5; z = 60
C. k = 54,675; z = 
D. k = 3; z = 36
Mathematics
Write the rational expression in lowest terms.
A. 
B. 
C. - 
D. 
Mathematics