Decide whether the statement is true or false.If the radius of a sphere is tripled, the surface area is multiplied by a factor of 9.
A. True
B. False
Answer: A
Mathematics
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Factor completely. If unfactorable, indicate that the polynomial is prime.147a4b - 12b3
A. 3b(7a + 2b)2 B. 3b(7a2 + 2b)(7a2 - 2b) C. prime D. 3b(7a - 2b)2
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A. 
B. - 
C. -14
D. -49
Mathematics
What part of the object or set of objects is shaded?
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the area between y = (x - 4)ex and the x-axis from x = 4 to x = 9.
A. 4e9 B. e9 - e4 C. 4e9 + e4 D. e9 + e4
Mathematics