Solve. Give your answer as a mixed numeral.The floor of a rectangular room is to be tiled with 
foot square tiles along a 9
foot wall. How many tiles will be needed along the wall?
A. 3
tiles
B. 30 tiles
C. 27
tiles
D. 28
tiles
Answer: D
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Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = 2i + 3j,
w = -2i + j
A. v1 = + 
i - 
j, v2 = 
i + 
j
B. v1 = + 
i - 
j, v2 = 
i + 
j
C. v1 = + 
i - 
j, v2 = 
i + 
j
D. v1 = + 
i - 
j, v2 = - 
i + 
j
Solve.On a map, 1 in. represents 120 miles. How much does 
in. represent?
A. 72 mi B. 62 mi C. 200 mi D. 82 mi
Solve the problem.A formula for calculating the distance, d, one can see from an airplane to the horizon on a clear day is 
where x is the altitude of the plane in feet and d is given in miles. How far can one see in a plane flying at 20,000 feet? Round your answer to the nearest tenth mile, if necessary.
A. 12,200 mi B. 1220 mi C. 172.5 mi D. 156.2 mi
Find the indefinite integral.
?
What will be an ideal response?