Match the equation with the surface it defines.
+ 
= 
A. Figure 3
B. Figure 1
C. Figure 2
D. Figure 4
Answer: D
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Plot the points representing the following integers on a number line.-6, -4, -2, 0
A. 
B. 
C. 
D. 
Write the following using exponents.4 ? 4 ? 4 ? 4 ? 4 ? 4
A. 46 B. 24 C. 64 D. 45
Use the figure below in following problem. Assume E is the midpoint of AC and of BD .
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.
| 2 sacks of soybeans and 0 sacks of oats |
B.
sacks of soybeans and 
sacks of oatsC.
sacks of soybeans and 
sacks of oatsD. 0 sacks of soybeans and 2 sacks of oats