Find the perimeter. Use 3.14 for ? when needed.
A. 90 cm
B. 50 cm
C. 410 cm
D. 70 cm
Answer: D
Mathematics
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Find the average value of the function f over the given region.f(x, y) = 8x + 2y over the square 0 ? x ? 1, 0 ? y ? 1.
A. 9 B. 6 C. 10 D. 5
Mathematics
Completely factor the polynomial or state that the polynomial is prime.6y2 + 27y - 15
A. 3(2y + 1)(y - 5) B. 3(2y - 1)(y + 5) C. prime D. (6y - 3)(y + 5)
Mathematics
Solve the problem.A square yard has a 5-foot wide sidewalk around a square lawn. If the sides of the yard, including the sidewalk, have length y, find a polynomial that gives the area of the sidewalk.
A. 20y + 100 B. 10y - 25 C. 10y + 100 D. 20y - 100
Mathematics
Perform the multiplication. Simplify the result when possible.
A. 
B. 
C. 
D. 
E. 
Mathematics