Perform the indicated operation.
- 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the exact value of the following expression without using a calculator.sec (45°)
A. 1
B. 
C. 
D. 
Mathematics
Simplify the power of i.
A. i B. 1 C. -1 D. -i
Mathematics
Factor when possible.60x + 10
A. 10(6x) B. 10(6x + 1) C. 5(12x + 2) D. 2(30x + 5)
Mathematics
List the first n terms of the geometric sequence satisfying the given conditions.a1 = 3, r = -7, n = 4
A. 3, -21, -147, -1029 B. 3, -21, 63, -189 C. 3, -21, -63, -189 D. 3, -21, 147, -1029
Mathematics