Divide and simplify.
A. 40x4y2 + 16xy + 7
B. 5x4y2 + 2xy3 + 
C. 5x4y4 + 2x4y2 + 
D. 5x4y2 + 2xy + 
Answer: D
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Solve the problem.Suppose an animal feed to be mixed from soybean meal and oats must contain at least 100 lb of protein, 20 lb of fat, and 12 lb of mineral ash. Each 100-lb sack of soybean meal costs $20 and contains 50 lb of protein, 10 lb of fat, and 8 lb of mineral ash. Each 100-lb sack of alfalfa costs $11 and contains 30 lb of protein, 8 lb of fat, and 3 lb of mineral ash. How many sacks of each should be used to satisfy the minimum requirements at minimum cost? Fractional sacks are allowed.
A. 2 sacks of soybeans and 0 sacks of alfalfa
B. 
sacks of soybeans and 
sacks of alfalfa
C. 0 sacks of soybeans and 4 sacks of alfalfa
D. 
sack of soybeans and 
sacks of alfalfa
Find an equation of the line in general form that passes through the point (5, 8) and is perpendicular to the line 
.
?
A. 
B. 
C. 
D. ?
E. ?
Complete.0.80 L = mL
A. 0.0008 B. 0.08 C. 80 D. 800
Solve the problem using the elimination method.In a basketball game, Will scored 34 points, consisting only of three-point shots and two-point shots. He made a total of 15 shots. How many shots of each type did he make?
A. two-point shots: 10; three-point shots: 5 B. two-point shots: 4; three-point shots: 11 C. two-point shots: 12; three-point shots: 3 D. two-point shots: 11; three-point shots: 4