A 140-foot antenna is on top of a tall building. From a point on the ground, the angle of elevation to the top of the antenna is 27.5°, while the angle of elevation to the bottom of the antenna from the same point is 22.5°. How tall is the building? (Give your answer to the nearest foot.)
?
Height of building = __________ ft
Fill in the blank(s) with the appropriate word(s).
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Solve the problem.Integrate 
over the region 0 ? x2 + y2 ? 49.
A. 28?(ln 7 - 1) B. 14?(ln 7 - 1) C. 14?(2 ln 7 - 1) D. 28?(2 ln 7 - 1)
Use the following table of values to estimate the value of 
at 
. Round your answer to two decimal places.
?
x 1.6 3.7 7.2 11.8
6.6 12.4 21.5 32.6?
A. 2.60
B. 9.10
C. 0.00
D. None of the above
Use the two steps for solving a linear programming problem to solve the problem.The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. They can produce up to 24 rings each day using up to 60 total man-hours of labor. It takes 3 man-hours to make one VIP ring and 2 man-hours to make one SST ring. How many of each type of ring should be made daily to maximize the company's profit, if the profit on a VIP ring is $40 and on an SST ring is $35?
A. 18 VIP and 6 SST B. 16 VIP and 8 SST C. 14 VIP and 10 SST D. 12 VIP and 12 SST
Subtract the fractions. Write the answer in lowest terms.
A. 
B. 
C. 
D. 