Solve the problem. First use front end rounding. Then find the exact answer.The number of vacationers at the lake was 5450 on Friday. If this was 4375 more than on Thursday, how many people were at the lake on Thursday?
A. Estimate: 9900 vacationers; exact: 9825 vacationers
B. Estimate: 1000 vacationers; exact: 1075 vacationers
C. Estimate: 1100 vacationers; exact: 1070 vacationers
D. Estimate: 9000 vacationers; exact: 9830 vacationers
Answer: B
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Decide whether or not the points are the vertices of a right triangle.(6, 12), (8, 16), (10, 15)
A. No B. Yes
Answer the question.Explain in your own words how to multiply rational expressions. (How would you explain this to a student in this class who was absent from class?).
What will be an ideal response?
Fill in the blank with one of the words or phrases listed below.
Two numbers whose product is 1 are called 
.
A. reciprocals B. unlike terms C. opposites D. like terms
Solve.A 33-inch-square TV is on sale at the local electronics store. If 33 inches is the measure of the diagonal of the screen, use the Pythagorean theorem to find the length of the side of the screen. Give your answer in exact form.
A. 
in.
B. 
in.
C. 
D. 
in.