Provide an appropriate response.A(n) __________ angle represents 90° or one-fourth of a complete rotation or circle.
Fill in the blank(s) with the appropriate word(s).
right
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Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = 8x + 4y + 7; 0 ? x ? 1, 1 ? y ? 3
A. 38 B. 26 C. 28 D. 36
Determine whether or not the given equation is linear.4x - 9y = 8
A. No B. Yes
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 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?
A. 
sacks of soybeans and 
sacks of oats
B. 
sacks of soybeans and 
sacks of oats
C.
| 2 sacks of soybeans and 0 sacks of oats |
D. 0 sacks of soybeans and 2 sacks of oats
Provide an appropriate response.The area of a rectangle is 3139 square inches, and the width is 43 inches. What is the perimeter of the rectangle?
A. The perimeter of the rectangle is 73 inches. B. The perimeter of the rectangle is 232 inches. C. The perimeter of the rectangle is 189 inches. D. The perimeter of the rectangle is 116 inches.