Factor completely. If the polynomial cannot be factored, say it is prime.x3 - 343
A. (x + 7)(x2 - 7x + 49)
B. (x - 7)(x2 + 49)
C. (x + 343)(x2 - 1)
D. (x - 7)(x2 + 7x + 49)
Answer: D
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Determine the specific solutions (if any) to the equation on the interval [0, 2?).sin 
+ sin 
= 1
A. 
, 
B. 
, 
C. 
, 3?
D. 
, 
Add.7x8 - 6x3 + 2x2 + 9 and 9x7 + 4x3 - 5x
A. 7x8 + 9x7+ 2x3 + 2x2 - 5x + 9 B. 16x8 - 10x3 + 2x2 - 5x + 9 C. 16x8- 2x3 + 2x2 - 5x + 9 D. 7x8 + 9x7- 2x3 + 2x2 - 5x + 9
Add or subtract as indicated. Simplify, if necessary.
+ 
A. 
B. 
C. 
D. 1
Solve the problem.A person is watching a car from the top of a building. The car is traveling on a straight road away from the building. When first noticed the angle of depression to the car is 49° 8' . When the car stops, the angle of depression is 27° 32' . The building is 270 feet tall. How far did the car travel from when it was first noticed until it stopped? Round your answer to the hundredths place.
A. 484.42 ft B. 263.25 ft C. 284.32 ft D. 310.53 ft