Solve the problem.The length of a rectangular frame is 10 centimeters more than the width. The area inside the frame is 75 square centimeters. Find the width of the frame.
A. 15 centimeters
B. 8 centimeters
C. 5 centimeters
D. 25 centimeters
Answer: C
Mathematics
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Solve the problem.If 
is a convergent series of nonnegative terms, what can be said about 
, where k is a positive integer?
A. Always converges B. May converge or diverge C. Always diverges
Mathematics
Solve the system using substitution.
A. (-4, 0) B. (-3, -4) C. (4, -1) D. empty set; inconsistent system
Mathematics
Approximate f(x) to four decimal places.f(x) = e3x, x = 0.13
A. 1.4770 B. 1.3137 C. -1.477 D. -1.3137
Mathematics
Simplify the expression by combining like terms.-7x - 2x
A. -9x B. -5x C. -9 + x D. 14x
Mathematics