Use similar triangles to help solve the problem. A man places a mirror on the ground and sees the reflection of the top of a flagpole as shown in the figure below. The two triangles in the figure are similar. Find the height h of the flagpole.
a = 13, b = 7, c = 28
A. 
ft
B. 
ft
C. 
D. 
Answer: C
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Find the area of the specified region.Inside the circle r = 
sin ? and outside the cardioid r = 1 + cos ?
A. 
B. 
C. 
D. 
Solve the problem.Jim drove 76 miles in 2 hours. If he can keep the same pace, how long will it take him to drive 836 miles?
A. 44 hours B. 22 hours C. 152 hours D. 32 hours
Round the number to the nearest ten, nearest hundred, and nearest thousand.8892
A.
| Ten | 8890 |
| Hundred | 8900 |
| Thousand | 9000 |
B.
| Ten | 8900 |
| Hundred | 8800 |
| Thousand | 8000 |
C.
| Ten | 8900 |
| Hundred | 8900 |
| Thousand | 9000 |
D.
| Ten | 8890 |
| Hundred | 8800 |
| Thousand | 9000 |
Solve the application and answer with a complete sentence.Brent owns a triangular plot of land. One side is 193 yards long, and another side is 218 yards long. If the total perimeter is 659 yards, what is the length of the third side?
A. The length of the third side is 238 yards. B. The length of the third side is 248 yards. C. The length of the third side is 251 yards. D. The length of the third side is 243 yards.