Is the pair of vectors i + 5j and 5i + j perpendicular?
?
A. yes
B. no
Answer: B
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Use the given information to find the equation of the circle.Center: (-1, 0); passes through the point (-1, 5)
A. x2 + (y + 1)2 = 25 B. (x + 1)2 + y2 = 25 C. (x - 1)2 + y2 = 25 D. (x + 1)2 + y2 = 5
When economies of scale exist, a firm's _____ ratio is likely to decrease if the size of the firm increases substantially.
A. days sales outstanding B. total assets turnover C. variable cost of goods sold D. times interest earned E. price earnings (P/E)
Solve.A rocket is launched from the top of a cliff that is 112 feet high with an initial velocity of 112 feet per second. The height, h(t), of the rocket after t seconds is given by the equation 
How long after the rocket is launched will it strike the ground? Round to the nearest tenth of a second, if necessary.
A. 7.9 sec B. 8.7 sec C. 9.3 sec D. 8.3 sec
Solve the problem.Find the dimensions that produce the maximum floor area for a one-story house that is rectangular in shape and has a perimeter of 176 ft. Round to the nearest hundredth, if necessary.
A. 14.67 ft x 44 ft B. 44 ft x 176 ft C. 88 ft x 88 ft D. 44 ft x 44 ft