Solve the equation. First simplify the expression by combining like terms.4(2z - 5) = 7(z + 5)
A. -15
B. 19
C. 15
D. 55
Answer: D
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Rationalize the denominator. Simplify, if possible.
A. 
B. 
C. 
D. 
Solve the problem.The student body at Hickory Middle School is voting for which new food item should be added to the school's cafeteria menu. The choices are Turkey Club (TC), Popcorn Shrimp (PS), BBQ Ribwich (BR), and Tofu Stir fry (TS). The following table gives the preference schedule for the results of the vote. 
Suppose that the voting rules are that when there is a food item with a majority of votes, it is the winner. Otherwise, all candidates with 20% or less of the first-place votes are eliminated and the votes are recounted. Find the preference schedule for the recount.
A. 
B. 
C. 
D. 
E. 
Answer the question.Suppose that a problem asks you to find the height of a triangle, and that the problem leads to a quadratic equation. If h represents the height of the triangle, which of the following solutions to the equation cannot be an answer to the problem?
A. h = 2 + 
B. h = 2 - 
C. h = 
D. h = 
During a flu epidemic, the number of children in the Woodbridge Community School System who contracted influenza after t days was given by 
.
? How many children were stricken by the flu after the first day? Round your answer to the nearest integer. ? __________ children ? How many children had the flu after 10 days? Round your answer to the nearest integer. ? __________ children ? How many children eventually contracted the disease? Round your answer to the nearest integer. ? __________ children What will be an ideal response?