Solve the equation.
= 
A. 15
B. No solutions
C. -15
D. - 
Answer: C
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Find the indicated term for the sequence whose general term is given.an = 3n; a5
A. 81 B. 125 C. 243 D. 15
Evaluate the expression and write the answer in standard form.
A. 0.05 B. 5,000,000 C. 0.2 D. 20,000,000
Solve the problem.The stadium vending company finds that sales of hot dogs average 37,000 hot dogs per game when the hot dogs sell for $2.50 each. For each 50 cent increase in the price, the sales per game drop by 5000 hot dogs. What price per hot dog should the vending company charge to realize the maximum revenue?
A. $1.20 B. $3.10 C. $3.70 D. $3.35
Solve the system using the elimination method or a combination of the elimination and substitution methods.x2 + y2 = 117x2 - y2 = 45
A. {(9, 6), (6, 9), (-9, -6), (-6, -9)} B. {(-9, -6), (-6, -9)} C. {(9, -6), (9, 6)} D. {(9, 6), (-9, 6), (9, -6), (-9, -6)}