Use the rules for exponents to rewrite the expression and then evaluate the new expression. (-2)2(-2)3
A. -64
B. -32
C. 
D. 
Answer: B
Mathematics
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Solve the problem.A water tank is formed by revolving the curve y = 2x4 about the y-axis. Water drains from the tank through a small hole in the bottom of the tank. At what constant rate does the water level, y, fall? (Use Torricelli's Law: dV/dt = -m
.)
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Solve.Find the perimeter of the triangle. Simplify.
A. 15
meters
B. (9
+ 6
) meters
C. (
+ 
+ 
) meters
D. (60 + 6
) meters
Mathematics
Answer the question or complete the sentence to make a true statement.The sum of three negative numbers will always be a number.
A. Negative B. Positive
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.5x2 - 25x + 30
A. (x - 3)(5x - 10) B. 5(x - 3)(x - 2) C. 5(x - 6)(x + 1) D. prime
Mathematics