Solve the logarithmic equation. Give an exact answer.log8(x + 2) - log8 x = 2
A. 
B. 
C. {8}
D. 
Answer: B
Mathematics
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Evaluate or simplify the given expression.cos-1 
A. ?
B. 
C. 
D. 0
Mathematics
Find the sum.495.55 + 0.9998 + 20 + 5.48289 + 64.591
A. 586.62269 B. 586.62369 C. 586.72369 D. 585.62389
Mathematics
Solve the problem.Matthew has saved a total of $9200, of which $2300 is invested in the stock market. What percent of his total savings is invested in the stock market?
A. 25% B. 30% C. 35% D. 20%
Mathematics
Sketch the graph of the function. Use the graph to find the value of the requested quantity.f(x) = 
; 
f(x)
A. does not exist B. 2 C. -2 D. 0
Mathematics