Use the two steps for solving a linear programming problem to 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?
A. 
sack of soybeans and 
sack of alfalfa
B. 
sacks of soybeans and 
sacks of alfalfa
C. 2 sacks of soybeans and 0 sacks of alfalfa
D. 0 sacks of soybeans and 2 sacks of alfalfa
Answer: A
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A. ?Rectangle B. ?Parallelogram C. ?Quadrilateral D. ?Kite E. ?Rhombus
Solve the problem.Let D be the region bounded below by the xy-plane, above by the sphere 
and on the sides by the cylinder 
. Set up the triple integral in cylindrical coordinates that gives the volume of D using the order of integration 
.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Write decimal notation.- 
A. -0.045513 B. -0.45513 C. -45.513 D. -4.5513
Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.1
÷ 
A. 
B. 5
C. 5
D. 5