Solve the problem.It costs $35 per hour plus a flat fee of $28 for a plumber to make a house call. Find the number of hours a plumber worked if the total cost was $343.
A. 4
B. 20
C. 9
D. 15
Answer: C
Mathematics
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Solve the problem.Find the area of the shaded region. Express the answer in terms of ?. 
A. 
? square units
B. 1? square units
C. 
square units
D. 
? square units
Mathematics
Use graphical methods to find all real solutions to the following equation. Express solutions rounded to the nearest hundredth.x3 + x2 - 3x - 3 = 0
A. {-1, 1.73, -1.73} B. {1, 1.73i, -1.73i} C. {1, 1.73, -1.73} D. {1, 1.5, -1.5}
Mathematics
Use an algebraic approach to solve the problem. Find three consecutive integers whose sum is 48. ?
A. -15, -16, -17 B. 15, 14, 13 C. 17, 18, 19 D. 20, 21, 22 E. 15, 16, 17
Mathematics
Simplify by first removing the parentheses and then combining the like terms.
A. 5x + 12.8 B. 3.2x - 12.8 C. 5x - 12.8 D. 3.2x - 5 E. 3.2x - 1.4
Mathematics