Solve the system of equations by the elimination method. Check your solutions. For any dependent equations, write your answer in ordered pair form.
A. {(-1, 0)}
B. ?
C. {(1, 0)}
D. {(0, 1)}
Answer: D
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Find the indicated cardinal number.Find n(G), given that n(D × G) = 20 and D = {7, 8, 9, 10}.
A. 4 B. 24 C. 9 D. 5
Use the two steps for solving a linear programming problem to solve the problem.An office manager needs to buy new filing cabinets. Cabinet A costs $7, takes up 7 square feet of floor space, and holds 7 cubic feet of files. Cabinet B costs $8, takes up 10 square feet, and holds 15 cubic feet. He has only $94 to spend and the office has room for no more than 100 square feet of cabinets. He wants to have at least one of each type of cabinet. How many of each can he buy to maximize storage capacity?
A. 0 cabinet A and 13 cabinet B B. 10 cabinet A and 3 cabinet B C. 13 cabinet A and 0 cabinet B D. 3 cabinet A and 10 cabinet B
Solve the problem.A triangular lake-front lot has a perimeter of 1500 feet. One side is 400 feet longer than the shortest side, while the third side is 500 feet longer than the shortest side. Find the lengths of all three sides.
A. 100 ft, 200 ft, 300 ft B. 300 ft, 700 ft, 800 ft C. 300 ft, 300 ft, 300 ft D. 200 ft, 600 ft, 700 ft
Graph the linear inequality in two variables.x + y < -5
A. 
B. 
C. 
D. 