Add or subtract as indicated. Write the answer in simplest form.- 
+ 
A. - 
B. - 
C. 
D. - 
Answer: A
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Write the complex number in rectangular form.
cis 270°
A. -i
B. -i
C. -
D. -2i
Estimate the answer by rounding as indicated.Estimate by rounding to the nearest ten.
A. 26 B. 160 C. 20 D. 30
Solve the problem.Jarod is having a problem with rabbits getting into his vegetable garden, so he decides to fence it in. The length of the garden is 8 feet more than 5 times the width. He needs 100 feet of fencing to do the job. Find the dimensions of the garden.
A. length: 48 ft; width: 8 ft
B. length: 38 ft; width: 6 ft
C. length: 84
ft; width: 15
ft
D. length: 43 ft; width: 7 ft
Find the first six terms of the sequence.a1 = -8, an = 4 ? an-1
A. -32, -128, -512, -2048, -8192, -32,768 B. -8, -32, -28, -24, -20, -16 C. 0, 4, -32, -28, -24, -20 D. -8, -32, -128, -512, -2048, -8192