Solve the problem.The results of an analysis, on the makeup of garbage, done by the Environmental Protection Agency was published in 1990. Some of the results are given in the following table, which for various years gives the number of pounds per person per day of various types of waste materials.
For plastics, calculate the average rates of change between consecutive data points in the table. Interpret the meaning of your results.
A. The rate of increase decreases during the 1970's, but then increases during the 1980's.
B. The rate of increase increases during the 1970's, but then decreases during the 1980's.
C. The rate of increase decreases from each decade to the next.
D. The rate of increase increases from each decade to the next.
Answer: D
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Find the square of the radical expression.
A. 
B. 
C. - 
D. 
Solve the problem.The charge for renting a video is $2 plus $4 per day of renting. Give an expression for the cost C of renting a video for n days.
A. C = 2n + 4n B. C = 2n C. C = 4n D. C = 2 + 4n
Solve the discount problem.A dress shop is having a sale for 45% off original prices. A dress has an original price of $290.00. What is the discount? What is the sale price? Round to the nearest cent.
A. $13.05; $159.50 B. $130.50; $2769.50 C. $130.50; $159.50 D. $13.05; $2769.50
Divide.
A. 936 R26 B. 216 C. 936 D. 936 R216