Multiply and simplify.
(
- 
)
A. 12
B. 60
C. 6
- 24
D. 36 - 6
Answer: A
Mathematics
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Solve the problem.Suppose that z varies jointly with x and y and that z = 343 when x = 7 and 
Find the constant of proportionality k. Then, find z when x = 7 and y = 8.
A. k = 2.9; z = 162.4
B. k = 33,614; z = 
C. k = 3.9; z = 218.4
D. k = 3.5; z = 196
Mathematics
Find the exact value of the expression.tan-1 
A. 
B. 
C. 
D. 
Mathematics
Let A = {q, s, u, v, w, x, y, z}, B = {q, s, y, z}, 
and 
Specify the following set.A ? ?
A. {w, y} B. ? C. {q, s, u, v, w, x, y, z} or A D. {q, s, u, v, x, z}
Mathematics
Find the midpoint of the segment with the given endpoints.(-7, -7) and (8, 4)
A. 
B. 
C. 
D. 
Mathematics