Solve the problem.Find the mass of the region of density 
bounded by the hemisphere 
and the xy-plane.
A. 20?
B. 10?
C. 5?
D. 40?
Answer: B
Mathematics
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Solve the problem.Alan is building a garden shaped like a rectangle with a semicircle attached to one short side. If he has 50 feet of fencing to go around it, what dimensions will give him the maximum area in the garden?
A. width = 
? 14, length = 7
B. width = 
? 14, length = 18
C. width = 
? 9, length = 13.5
D. width = 
? 7, length = 14
Mathematics
Find the perimeter of the triangle or rectangle as indicated.Find the perimeter of the triangle.
A. P = 27.5 ft B. P = 21 ft C. P = 26 ft D. P = 25 ft
Mathematics
Round the amount to the nearest dollar.$342.03
A. $342 B. $342.10 C. $343 D. $341
Mathematics
Find the y-intercept for the graph of the quadratic function.f(x) = (x + 1)2 - 1
A. (0, 2) B. (0, 1) C. (0, -1) D. (0, 0)
Mathematics