If the area of a rectangular wall is 30 yd2 and the insulation costs $12.50 per square yard, how much will the project cost?
(a) $250
(b) $300
(c) $137.50
(d) $275
(b) $300
Mathematics
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Use modular arithmetic to find the answer.Fill in the blank so that the answer is nonnegative and the least possible number.-22 ? ___ (mod 9)
A. 5 B. -1 C. 7 D. 9
Mathematics
Sketch the graph of the polynomial function.f(x) = 3x3
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.When calculating a trade discount, the difference between 100% and the percent of the discount is called the:
A. net price B. cash discount C. complement D. trade discount
Mathematics
Solve the problem.Find (fg)(4) when f(x) = x + 1 and g(x) = -5x2 + 20x - 3.
A. 465 B. -9 C. -15 D. -249
Mathematics