Solve the problem.It costs $19 per hour plus a flat fee of $32 for a plumber to make a house call. After writing an equation for this situation, suppose the total cost to have a plumber come to a house is $203. How many hours did the plumber work?
A. 9 hr
B. 16 hr
C. 20 hr
D. 5 hr
Answer: A
Mathematics
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Perform the indicated operation and reduce the answer to lowest terms.
+ 
+ 
A. 2
B. 
C. 
D. 
Mathematics
Find the perimeter of the polygon.
A. 53 cm B. 58 cm C. 41 cm D. 47 cm
Mathematics
Tell whether or not the relation is a function.{(-9,6), (-9,-9), (2,7), (6,-9), (7,-9)}
A. Yes B. No
Mathematics
Find the function value.Find f(4) when f(x) = 9 - 8x2.
A. 137 B. -119 C. -23 D. -55
Mathematics