Work the application.Mrs. Vasquez gives figure skating lessons to individuals for $55 per hour. Last month, she received a total of $1485 in payments. How many hours did Mrs. Vasquez teach?
A. 17 hours
B. 31 hours
C. 27 hours
D. 29 hours
Answer: C
Mathematics
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Identify the radicand and index.9ab 
A. b2; 2
B. 9ab; 2
C. b2 - 5; 3
D. 
; 3
Mathematics
Find the specified domain.For f(x) = 
and g(x) = 
, what is the domain of g ? f?
A. (-?, 0) ? (0, 5) ? (5, ?)
B. (-?, 5) ? (5, ?)
C. (-?, 0) ? (0, ?)
D. (-?, 0) ? 
? 
Mathematics
Completely factor the polynomial or state that the polynomial is prime.49x2 - 1
A. (7x - 1)(7x + 1) B. prime C. (7x - 1)2 D. (7x + 1)2
Mathematics
Simplify.
A. 
B. x7
C. x-3
D. x13
Mathematics