Let A =  and B = . Find the entry in the second row, first column of AB.

A. 22
B. 18
C. 34
D. 6
E. 8


Answer: B

Mathematics

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Solve the problem. Round to the nearest dollar unless otherwise stated.The August 31 inventory at Kitchen Collection was $42,560 at cost and $60,800 at retail. Purchases during the next four months were $59,420 at cost and $84,900 at retail. After August 31, net sales were $96,500. Use the retail method to estimate the value of the inventory at cost on December 31.

A. $492 B. $5490 C. $34,440 D. $101,990

Mathematics

Solve the equation. If an answer is not exact, give the answer to four decimal places. ? ? Enter your answer(s) as numbers. If there is more than one answer separate them with commas.

What will be an ideal response?

Mathematics

Factor the trinomial completely.x3 + 5x2 - 84x

A. x(x - 12)(x + 7) B. (x2 + 7)(x - 12) C. x(x + 12)(x - 7) D. (x2 + 12)(x - 7)

Mathematics

Without graphing, answer the following questions for the linear system.(i) Is the system inconsistent, are the equations dependent, or neither?(ii) Is the graph a pair of intersecting lines, a pair of parallel lines, or one line?(iii) Does the system have one solution, no solution, or an infinite number of solutions? 2x - y = 5-2x + 2y = 10

A. (i) dependent (ii) one line (iii) infinite number of solutions B. (i) inconsistent (ii) parallel lines (iii) no solution C. (i) neither (ii) intersecting lines (iii) one solution

Mathematics