Factor the polynomial completely. If the polynomial is prime, so state.-11n3 + 11n2 + 22n
A. -11n(n + 2)(n - 1)
B. -11n(n - 2)(n + 1)
C. 11n(n - 2)(n + 1)
D. 11n(n + 2)(n - 1)
Answer: B
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A. 74 in. B. 81 in. C. 85 in. D. 78 in.
Solve.The radius of a sphere with surface area S is given by the expression 
.a) Simplify the expression.b) Find the radius of a beach ball if its surface area is 288 in.2. Express the answer in radical form.
A. a) 
; b) 
in.
B. a) 
; b) 
in.
C. a) 
; b) 
in.
D. a) 
; b) 
in.
Solve the problem.Janet drove 350 kilometers and the trip took 5 hours. How fast was Janet traveling?
A. 71 km/hr
B. 
km/hr
C. 70 km/hr
D. 1750 km/hr
Solve the problem.A DC-10 jumbo jet maintains an airspeed of 600 miles per hour in a southeasterly direction. The velocity of the jet stream is a constant 50 miles per hour from the west. Find the actual speed and direction of the aircraft. (Round the speed and direction to the nearest tenth.)
A. 565.8 mph; N41.4°E B. 636.3 mph; S41.8°E C. 565.8 mph; S48.2°E D. 636.3 mph; S48.2°E