Solve.The length L of a rafter on a building's roof is calculated using the formula L = 
. Suppose that H2, the maximum roof height, is 15 ft; H1, the minimum wall height, is 8.5 feet; and W, the width of the building, is 26 feet. Calculate the rafter length, not including allowance for overhang. (Round to the nearest tenth.)
A. 24.9 ft
B. 710.2 ft
C. 26.8 ft
D. 718.3 ft
Answer: C
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Use the Rule of 78 to find the amount of unearned interest for the loan paid in full before the date of maturity.Finance charge: $23,422Total number of payments: 34Remaining number of payments, when paid in full: 5
A. $590.47 B. $393.65 C. $417.50 D. $626.26
Solve the mixture problem.A merchant has coffee worth $3 a pound that she wishes to mix with 40 pounds of coffee worth $9 a pound to get a mixture that can be sold for $4 a pound. How many pounds of the $3 coffee should be used?
A. 240 lb B. 120 lb C. 100 lb D. 200 lb
Find the limit, if it exists.
(x3 + 5x2 - 7x + 1)
A. 29 B. 0 C. Does not exist D. 15
Perform the indicated operation.[ (2x2 + 2x + 7) - (3x2 - 2x - 3) ] - [ (6x2 + 4x - 6) + (-3x2 - 2x + 6) ]
A. 2x2 - 2x + 4 B. -4x2 + 2x + 10 C. -4x2 - 2x + 10 D. -10x2 - 2x + 22