Solve the problem. Round results to an appropriate number of significant digits.The chairlift at a ski resort has a vertical rise of 3400 ft. If the length of the ride is 2.4 mi, what is the average angle of inclination of the lift?
A. 19°
B. 13°
C. 16°
D. 10°
Answer: C
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Sketch the coordinate axes and then include the vectors A, B, and A × B as vectors starting at the origin.u = i, v = k
What will be an ideal response?
Solve the problem.Jumps delivers only cheese pizzas. Their 15-inch round pizza is $7.99 and their new square 
by 
pizza is also 
If 
is taken off every order of the square pizza, which is the better buy? What is the price per square inch of the better buy? (Use 3.14 for ?.)
A. 2-foot square; $0.01 B. 15-inch round; $0.01 C. 2-foot square; $1.50 D. 15-inch round; $0.05
Sketch the vectors u and w with angle ? between them and sketch the resultant.
= 8, 
= 3, ? = 80°
A. 
B. 
Find the area of the region.
160 ft
A. 400 sq ft B. 6390 sq ft C. 6410 sq ft D. 6400 sq ft