Solve the problem.A dome is in the form of a partial sphere, with a hemisphere of radius 20 feet on top and the remaining part of the sphere extending 10 feet to the ground from the center of the sphere. Find the surface area of the dome to the nearest square foot.
A. 3770 ft2
B. 38 ft2
C. 37,699 ft2
D. 377 ft2
Answer: A
Mathematics
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Solve the problem.Midtown Delivery Service delivers packages which cost 
per package to deliver. The fixed cost to run the delivery truck is 
per day. If the company charges 
per package, how many packages must be delivered daily to break even?
A. 67 packages B. 15 packages C. 13 packages D. 23 packages
Mathematics
Plot the zeros of the given polynomial on the number line together with the zeros of the first derivative.y = (x - 4)(x + 5)2
A. 
B. 
C. 
D. 
Mathematics
Write the expression in the standard form a + bi.If z = 4 - 6i, evaluate z
.
A. 16 - 36i B. 52 C. 16 - 36i2 D. -20
Mathematics
The first several terms of a sequence are given. Find the indicated partial sum.1, -4, 7, -10, . . . ; S6
A. -8 B. -9 C. 4 D. 9
Mathematics