Solve the problem.Suppose there are 6 roads connecting town A to town B and 7 roads connecting town B to town C. In how many ways can a person travel from A to C via B?
A. 13
B. 36
C. 49
D. 42
Answer: D
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Identify the terms of the polynomial.-n7 - 14n3 + 13n2 + 2n + 8
A. -n7, -14n3, 13n2, 2n, 8 B. -1, n7, -14n3, 13n2, 2n, 8 C. -1, n7, -14, n3, 13, n2, 2, n, 8 D. -n7, 14n3, 13n2, 2n, 8
Find the perimeter of the figure.
A. 38 cm B. 39 cm C. 64 cm D. 31 cm
?A system composed of two industries, coal and steel, has the inputs as seen below.
(a) To produce 1 dollar's worth of output, the coal industry requires $0.30 of its own product and $0.70 of steel. (b) To produce 1 dollar's worth of output, the steel industry requires $0.30 of its own product and $0.10 of coal. Find D, the input-output matrix for this system. Then solve for the output matrix X in the equation 
where the external demand is 
. Round all the entries of the matrix to two decimal places, where applicable.
A. ?
B. ?
C. ?
D. ?
E. ?
Solve.A sales representative is paid a commission rate of 3.2%. Find her commission if she sold $79,350 worth of goods last month.
A. $81,889.20 B. $2479.69 C. $24,796.88 D. $2539.20