Solve.
- 
= 
A. 
B. 
C. - 
D. 6
Answer: B
Mathematics
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Use the formula for the nth term of a geometric sequence to find the indicated term of the sequence with the given first term, a, and common ratio, r.Find a9 when a = 5, r = 2.
A. 1280 B. 21 C. 2560 D. 1284
Mathematics
Find the product.(2x + 6)(2x - 6)
A. 2x2 - 24x - 36 B. 4x2 + 24x - 36 C. 4x2 - 36 D. 4x2 - 24x - 36
Mathematics
Multiply, then simplify the product. Assume that all variables represent positive real numbers.(8 + 
)(8 - 
)
A. 64 - 
B. 58
C. 64 - 
D. 28
Mathematics
?Find 
given the probability distribution.
?
?
x012345 ?P?(?x)0.0470.1870.2460.3200.1550.045?
A. ?0.320 B. ?0.480 C. ?0.520 D. ?0.800 E. ?0.200
Mathematics