Find the modulus of the number.13 + i
A. 14
B. 
C. 170
D. 
Answer: D
Mathematics
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Multiply and simplify.
? 3b
A. 
b
B. 
C. 
D. 11b
Mathematics
Solve the problem.Carlson has saved $656 at the bank. He wants to save $3,890 for a trip to California. What percent of his goal has been reached? Round to the nearest tenth when necessary.
A. 16.9% B. 5.9% C. 1.7% D. 59%
Mathematics
Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
A. -366 B. 12 C. -1230 D. 75
Mathematics
Solve the formula for the indicated variable.S = 2?rh + 2?r2
for h
A. h = S - r
B. h = 2?(S - r)
C. h = 
D. h = 
- 1
Mathematics