Solve the equation.
x + 
= 
x
A. {2}
B. {-14}
C. {14}
D. {-2}
Answer: D
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A large container in the refrigerator has two and three-fourths cups of yogurt in it. One serving of yogurt is one-half cup. How many servings of yogurt are there in the large container?
a. 5.5 b. 5.25 c. 5 d. 6
Multiply.
(
)
A. 
B. 
C. 7
D. 144
Determine whether the statement is true or false.Consider the simplex method for a canonical linear programming problem. If x is an extreme point of the feasible set and if the objective function cannot be decreased by moving along any of the edges of the feasible set which join at x, then x is an optimal solution.
A. True B. False
A couple plans to invest money for their child's college education. What principal must be deposited by the parents when their child turns 5 in order to have $25,000 when the child reaches the age of 18? Assume the money earns 9% interest, compounded quarterly.
a. $7,860.45 b. $8,154.47 c. $11,520.74 d. $79,511.96 e. $7,793.12