Solve the problem.The diagram below shows the side view of a plan for a slanted roof. Find the unknown length in this roof plan. Round approximations to the nearest tenth. 
13 ft
A. 7.5 ft
B. 6.6 ft
C. 86.5 ft
D. 13.2 ft
Answer: D
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Find the interest and maturity value for the loan. Round to the nearest cent.$4258 at 12.4% for 241 days (ordinary interest)
A. $347.17; $4605.17 B. $358.44; $4616.44 C. $353.46; $4611.46 D. $350.07; $4608.07
Write the expression in radical notation. Evaluate by hand when possible.163/4
A. 
B. 
; 8
C. 
; 64
D. 
; 11
Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 
and the gorge is 560 ft deep, during what interval can the flare be seen?(h = -16t2 + vot + ho.)
A. 5 < t < 7 B. 0 < t < 5 C. 10 < t < 12 D. 15 < t < 17
Graph the marginal profit function for the profit function 
where P(x) is in dollars and x is the number of units. What is the maximum profit? Round your answer to two decimal places.
?
A. $0.00 B. $12.50 C. $30.00 D. $10.00 E. $20.00