Write the expression in the form a + bi, where a and b are real numbers.
+ 
A. -1i
B. -5
C. 5i
D. 6i
Answer: C
Mathematics
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Translate the algebraic expression to a word phrase.5(x + 2)
What will be an ideal response?
Mathematics
Use the order of operations to evaluate each problem.10 + 4 ÷ 2 ? 4 - 9
A. 19 B. 47 C. 27 D. 9
Mathematics
Let z vary jointly with x and y. Find the constant of variation k. Then, use 
to find z when x = 5 and y = 7.z = 69,020 when x = 58 and y = 119
A. k = 
; z = 350
B. k = 10; z = 350
C. k = 10; z = 120
D. k = 
; z = 120
Mathematics
Solve and graph.-3 < 
A. k < -18
B. k ? -18
C. k ? -18
D. k > -18
Mathematics