Solve the problem.A tower is supported by a guy wire 
long. The wire makes an angle of 
with respect to the ground, and the distance from the point where the wire is attached to the ground and the tower is 
Approximate the height of the tower to the nearest tenth of a foot.
A. 489.2 ft
B. 391.8 ft
C. 531.3 ft
D. 332.5 ft
Answer: D
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Write in standard form the equation of the ellipse with the given characteristics.center at the origin, an x-intercept at (5, 0), and a y-intercept at (0, 
)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve triangle, if possible. Round angles an side lengths to the nearest tenth when necessary.
A. No solution B. c ? 14.5, A ? 25.4°, B ? 33° C. c ? 17.4, A ? 27.4°, B ? 31° D. c ? 20.3, A ? 23.4°, B ? 35°
Identify the graph for the polar equation 
.
?
A. ?
?
B. ?
?
C. ?
?
D. ?
E. ?
?
Solve.In 1985, the number of female athletes participating in Summer Olympic-Type Games was 450. In 1996, about 3650 participated in the Summer Olympics in Atlanta. Assuming that 
and that the exponential model applies, find the value of k rounded to the hundredths place, and write the function.
A. k = 0.19; P(t) = 500e0.29t B. k = 0.21; P(t) = 500e0.21t C. k = 0.17; P(t) = 500e0.17t D. k = 0.19; P(t) = 500e0.19t