Divide and check the quotient.(-8505) ÷ (-63)
A. 54
B. 53
C. 135
D. 136
Answer: C
Mathematics
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Solve the problem.A salesman earns a commission of 21%. One week he had sales of $1670. Find his wages for the week.
A. $35.07 B. $350.70 C. $3507.00 D. $35,070.00
Mathematics
Write the conjugate 
of the complex number z. Then find z
.z = 
+ 7i
A. 
= 
- 7i, z
= 56
B. 
= 
- 7i, z
= 63
C. 
= 
- 7i, z
= -42
D. 
= 
- 7i, z
= 42
Mathematics
Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = x3 + 1, g(x) = 
A. No, no B. No, yes C. Yes, no D. Yes, yes
Mathematics
For the given functions f(x) and g(x), find (f + g)(x) or (f - g)(x) as indicated.f(x) = -7x + 2, g(x) = -5x + 7Find (f + g)(x).
A. -3x B. -12x + 9 C. -5x + 2 D. -2x + 9
Mathematics