Multiply. Write your answer in a + bi form.(-5 - 8i)2
A. -10 - 16i
B. 25 + 64i
C. -39 + 80i
D. -39
Answer: C
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Provide an appropriate response.110 × 87 = 957087 × 110 = 9570This is an example of the 
.
A. commutative property of addition B. commutative property of multiplication C. associative property of addition D. associative property of multiplication
Find the stock turnover at cost and at retail. Round to the nearest hundredth.
A. Turnover at cost = 3.20 Turnover at retail = 3.24 B. Turnover at cost = 2.01 Turnover at retail = 5.17 C. Turnover at cost = 1.61 Turnover at retail = 1.59 D. Turnover at cost = 3.24 Turnover at retail = 3.20
Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first 11 terms of the geometric sequence: -4, -12, -36, -108, -324, . . . .
A. -354,255 B. -354,312 C. -354,292 D. -354,290
Find the perimeter. Use 3.14 for ? when needed.
A. 76 yd B. 72 yd C. 54 yd D. 128 yd