Solve the problem.You decide to put in a large sidewalk around a garden which measures 2 feet by 3 feet. The dimensions of the combined sidewalk/garden are to be 6 feet. by 10 feet. What is the area of the sidewalk only?
A. 54 sq. ft
B. 60 sq. ft
C. 28 sq. ft
D. 6 sq. ft
Answer: A
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Provide an appropriate response.People whose entire salary is based on a percent of sales are said to be working on:
A. differential scale B. piecework C. salary-plus-commission D. straight commission
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Find the magnitude and direction angle for the following vector. Give the direction angle as an angle in [0°, 360°) rounded to the nearest tenth.
A. 8, 0° B. -8, 0° C. -8, 180° D. 8, 180°
Due to the curvature of the earth, the maximum distance D that you can see from the top of a tall building of height h is estimated by the formula  figure 1.png)
where r = 3960 mi is the radius of the earth and D and h are also measured in miles. How far can you see from the observation deck of a tower, 955 ft above the ground? Round the answer to one decimal place.
(a) 37.8 mi (b) 73.8 mi (c) 1428.8 mi (d) 428.8 mi (e) none of these