Multiply.
?
A. 
B. 81xy2
C. 
D. 
Answer: A
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Solve.The average summer temperature in the Antarctica was -25°F and the average winter temperature was 
How much higher was the summer average temperature?
A. 31°F B. -81°F C. -31°F D. 81°F
Find the system of equations to model the problem. DO NOT SOLVE THIS SYSTEM.Labor and material costs for manufacturing each of three types of products M, N, and P are given in the table:Product?MNPLabor$50$40$50Materials$60$40$70 The weekly allocation for labor is $50,000 and for materials is $80,000. There are to be 3 times as many units of product M manufactured as units of product P. How many of each type of product would be manufactured each week to use exactly each of the weekly allocations? Set up a system of linear equations, letting x1, x2, and x3 be the number of units of products M, N, and P, respectively, manufactured in one week.
What will be an ideal response?
Decide whether the ordered pair is a solution to the given equation.(-4, 1); -9x - 5y = 31
A. (-4, 1) is a solution B. (-4, 1) is not a solution
Solve the equation.2x + 6(2x - 6) = -13 - 9x
A. - 
B. -1
C. 1
D. - 