Factor by removing the common binomial factor.j(k - 3) - 4(k - 3)
A. (j + 4)(k - 3)
B. (j - 4)(k - 3)
C. (j - 4)(k + 3)
D. -4j(k - 3)
Answer: B
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Solve the indicated system of equations algebraically.The area of a rectangular rug is 70 square feet and its perimeter is 38 feet. Find the dimensions of the rug.
A. 6 yd by 14 yd B. 5 yd by 13 yd C. 6 yd by 13 yd D. 5 yd by 14 yd
Solve the problem.Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 785. Find a linear function, S(t), which fits this data, and which expresses score as a function of time. Use this function to predict an average score for persons taking a 56-hour review course. Round your answer to the tenths place.
A. 741.3 B. 720.0 C. 727.3 D. 731.5
Many states conduct lotteries; a typical lottery payoff ticket is shown here. Assume there are 20 numbers chosen from a set of 80 possible numbers. What is the expectation for a five-spot game? Assume that the ticket cost $1. 5 SPOT GAMEMATCHPRIZE543$270$30$4?
A. $0.13 B. $0.26 C. - $0.13 D. $0.25 E. - $0.26
Write an expression to state the problem and simplify.The length L of a rectangle is 7 inches more than the width W. What is the perimeter of the rectangle?
A. (W + 7) + W; 2W + 7 inches B. W(W + 7); W2 + 7W inches C. 2(W + 7) + 2W; 4W + 14 inches D. Cannot be solved