Perform the indicated operations.(-15x5 - 8x2) - (13x5 - 15x2)
A. -21x7
B. -28x5 + 7x2
C. -2x5 - 23x2
D. -28x5 - 23x2
Answer: B
Mathematics
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Simplify the expression. Assume that all variables represent positive real numbers.
? 
A. x22/3 B. x66 C. x9/3 D. x13/3
Mathematics
Divide.-16 ÷ 
A. 12
B. 4
C. -12
D. 
Mathematics
Graph the function by hand. Solve the equation f(x) = 0 by observing your graph. Round approximations to two decimal places.f(x) = - 
A. {1.60} B. {-1.60, 1.60} C. {8} D. {-1.60}
Mathematics
Solve the problem.The distance, in feet, that a car travels down the side of a mountain in each consecutive second is modeled by a sequence whose general term is an = 34n - 20, where n is the number of seconds. Find the distance the car travels in the fifth second.
A. 190 ft B. 170 ft C. 116 ft D. 150 ft
Mathematics