Provide an appropriate response.
If C(x) = 7x + 1,000 and A(x) = 
, R(x) = $20x, and P(x) = R(x) - C(x), then if x = 200, P(x) =
A. 1,200
B. 1,400
C. 1,800
D. 1,600
Answer: D
Mathematics
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Perform the indicated operations. Leave the result in polar form.
A. 
B. 
C. 
D. 
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Let U = {q, r, s, t, u, v, w, x, y, z}, A = {q, s, u, w, y}, B = {q, s, y, z}, and C = {v, w, x, y, z}. Find the indicated set.(
)
A. {r, s, t, u, v, w, x, z} B. {t, v, x} C. {r, t, v, x} D. {s, u, w}
Mathematics
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.1
? 18
A. 29
B. 28
C. 18
D. 21
Mathematics
Provide an appropriate response.When a certain integer is multiplied by -9, the result is -720. What is that integer?
A. - 
B. 80
C. 
D. -80
Mathematics