Solve.One maid can clean the house three times faster than another. Working together they can clean the entire house in 3 hours. How long would it take the faster maid cleaning alone?
A. 3 hr
B. 4 hr
C. 
hr
D. 5 hr
Answer: B
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Using Green's Theorem, find the outward flux of F across the closed curve C.F = ln (x2 + y2) i + tan-1 
j; C is the region defined by the polar coordinate inequalities 
and 
A. 63 B. 65 C. 0 D. 126
Solve the problem. Use a calculator with an LN or a LOG key.The formula y = 1 + 1.4 ln(x + 1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After 72 days of practice, what is the average number of consecutive free throws the basketball player makes?
A. 7 consecutive free throws B. 11 consecutive free throws C. 8 consecutive free throws D. 10 consecutive free throws
Provide an appropriate response.Solve using a system of equations with two unknowns:A drafting company charges different prices for preliminary and detailed blueprints of houses. One week they completed 5 preliminary drawings and 8 detailed ones and earned $9,500. The second week they completed 6 preliminaries and 10 detailed and earned $11,800. How much did they charge for each preliminary and each detailed blueprint?
Fill in the blank(s) with the appropriate word(s).
Solve. If necessary, round answers to the nearest tenth unless stated otherwise.What is the minimum force required to prevent a ball weighing 16.7 lb from rolling down a ramp inclined 22.2° with the horizontal?
A. 7.8 lb B. 15.5 lb C. 6.3 lb D. 3.2 lb