Multiply and simplify.
? 
A. 5m
B. 
C. 
D. 10
Answer: D
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Add the polynomials. Express your answer in standard form.(9y4 - 6y2) + (8y4 - 5y2)
A. 6y6 B. 17y4 - 11y2 C. 17y8 - 11y4 D. 6y12
Write an inequality of the form 
or of the form 
so that the inequality has the given solution set.(-?, -8] ? [8, ?)
A. 
? 8
B. 
? 0
C. 
? 8
D. 
? 0
Solve the problem.A man is planting a section of garden with tomatoes and cucumbers. The available area of the section is 140 square feet. He wants the area planted with tomatoes to be more than 
of the area planted with cucumbers. Write a system of inequalities to describe the situation. Let 
to be planted in tomatoes and 
to be planted in cucumbers.
A. x + y ? 140 x > 0.20y x ? 0 y ? 0 B. x + y = 140 x ? 0.20y x ? 0 y ? 0 C. x + y ? 140 x < 0.20y x ? 0 y ? 0 D. x + y ? 140 0.20x > y x ? 0 y ? 0
Complete.15 wk = ___ hr
A. 2520 B. 15 C. 360 D. 105