Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.Find the amount of increase and the percent increase if the original amount is 18 and the new amount is 36.
A. 18; 95%
B. 18; 110%
C. 18; 200%
D. 18; 100%
Answer: D
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Solve the problem. Express the answer in scientific notation to two decimals.A computer can do one calculation in 1.4 × 10-7 seconds. How long would it take the computer to do a trillion (1012) calculations?
A. 1.4 × 1012 sec B. 1.4 × 106 sec C. 1.4 × 105 sec D. 1.4 × 10-7 sec
Solve the problem.A bag contains 8 apples and 6 oranges. If you select 7 pieces of fruit without looking, how many ways can you get exactly 6 apples?
A. 56 B. 168 C. 2016 D. 336
Find.
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Fill in the blank(s) with the appropriate word(s).
Solve the problem.The value, v, in hundreds of dollars, of Juan's television is approximated by 
where t is the number of years since he first bought the television. Graph the equation and use the graph to estimate the value of the television 6 years after it was purchased.
A. $780 B. $600 C. $1200 D. $300