Solve the problem.A rule for estimating the number of board feet of lumber that can be cut from a log depends on the diameter of the log. To find the diameter, d, required to get 7 board feet of lumber, we use the equation 
Solve this equation for d. Are both answers reasonable?
A. {32, -24}; No, only 32 feet is a reasonable answer.
B. {24, -32}; No, only 24 feet is a reasonable answer.
C. {11, -28}; No, only 11 feet is a reasonable answer.
D. {28, -28}; No, only 28 feet is a reasonable answer.
Answer: A
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Factor completely. If the polynomial is prime, state so.56s3 + 7
A. 7(2s + 1)(4s2 + 2s + 1) B. 7(2s + 1)(4s2 - 2s + 1) C. 7(2s + 7)(4s2 - 14s + 7) D. 7(2s - 1)(4s2 + 2s + 1)
Solve the problem.Fran has to make 13 sales per day at the department store where she works. How many sales would she be expected to make if she worked 31 days?
A. 50 sales B. 44 sales C. 409 sales D. 403 sales
Find the inverse, if it exists, of the given matrix.
A. 
B. 
C. 
D. 
Solve the problem.A game involves choosing 6 different numbers from the numbers 1 through 13.In how many ways can this be done?
A. 1724 B. 1,235,520 C. 1696 D. 1716