Solve for the unknown in the equation.A + 4 = 6
A. A = 10
B. A = -2
C. A = 2
D. A = -10
Answer: C
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Solve the problem.The average weight W (in ounces) of a fish caught in a certain lake is given by 
where x is the length in inches. Find the weight of a fish 14 inches long by finding W(14). Round to the nearest ounce.
A. 14 ounces B. 10 ounces C. 12 ounces D. 8 ounces
Answer the question.If x represents a positive integer, how would you express its negative?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Mary finds 10 fish at a pet store that she would like to buy, but she can afford only 4 of them. In how many ways can she make her selection? How many ways can she make her selection if he decides that one of the fish is a must?
A. 151,200; 60,480 B. 5040; 504 C. 2520; 252 D. 210; 84
Solve.Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three decimal places if necessary. Assume that different sizes of the same brand are being compared. Soy sauce: $1.31 for 22.5 ounces $0.86 for 10.0 ounces
A. $1.31 for 22.5 ounces B. $0.86 for 10.0 ounces C. Both cost the same per ounce.