Find the sum.
A. 12
B. 4
C. 8
D. 32
Answer: D
Mathematics
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Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.(7x8)2
A. 7x16 B. 49x16 C. 7x10 D. 49x8
Mathematics
Solve.x = 
- 4
A. -6 B. -5 C. 6 D. 7
Mathematics
Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a3 = 
; a6 = 
A. an = 
n-1
B. an = 
+ 
(n - 1)
C. an = 
n-1
D. an = 
(-3)n-1
Mathematics
Evaluate.x3
for x = 4, y = 5
A. 12 B. 8 C. 64 D. 125
Mathematics