Provide an appropriate response.Rationalize the denominator: 
A. 
B. 
C. 
D. 
Answer: A
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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 9 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 oats costs $10 and contains 20 lb of protein, 5 lb of fat, and 1 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. 
sacks of soybeans and 
sacks of oats
B. 2 sacks of soybeans and 0 sacks of oats
C. 
sacks of soybeans and 
sacks of oats
D. 0 sacks of soybeans and 4 sacks of oats
Solve the application.Tuna is packaged in a metal can with a radius of 11 cm and height of 8 cm. How many square centimeters of metal are needed to make this can? Give an exact answer in terms of ?.
A. 304? ft2 B. 38? ft2 C. 968? ft2 D. 418? ft2
Find the distance between P and Q.P(3, -3), Q(7, -5)
A. 6
B. 12
C. 2
D. 12
Find the value of the expression using the given values.(
)2?x = 4
A. 16
B. 4
C. 
D. 