Simplify.
A. 
B. 
C. 
D. 
Answer: C
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Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(
- x)(
+ x)
A. y - x2
B. y - 2x
- x2
C. y - x
D. y + 2x
- x2
Solve the problem.If all of 47 available apple trees are to be planted on a plot of land, is there more than one possible array in which they can be arranged with the same number of trees in each row? If so, how many different arrays are there?
A. Yes B. No
Solve the problem using matrices.The nutritional content per ounce for three foods is given in the table below.
What combination of these foods can provide exactly 14 grams of fat, 27 grams of protein, and 10 grams of fiber?
A. 3 oz of Food A; 5 oz of Food B; 1 oz of Food C B. 4 oz of Food A; 6 oz of Food B; 2 oz of Food C C. 7 oz of Food A; 7 oz of Food B; 1 oz of Food C D. No possible combination of these foods
Verify the identity.
= 
What will be an ideal response?