Solve the problem. First use front end rounding. Then find the exact answer.The table shows the approximate price for several items that Tracy would like to purchase as gifts for her friends. How much will she need to spend in order to purchase a jacket, a coffee mug, a tee shirt, and basket of assorted nuts and candy?
A. Estimate: $110; exact: $99
B. Estimate: $100; exact: $112
C. Estimate: $110; exact: $114
D. Estimate: $110; exact: $112
Answer: D
Mathematics
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Evaluate the integral.
A. 1680 B. 280 C. 42 D. 7
Mathematics
Solve the problem.Mary finds 9 fish at a pet store that she would like to buy, but she can afford only 5 of them. In how many ways can she make her selection? How many ways can she make her selection if he decides that one of the fish is a must?
A. 3024; 1680 B. 15,120; 1680 C. 126; 70 D. 7560; 840
Mathematics
Solve the inequality, and graph the solution set.
? 2x
A. (-?, 4] ? [5, ?)
B. (-?, 0] ? [4, 5)
C. [0, 4] ? [5, ?)
D. [5, ?)
Mathematics
Find the slope and the y-intercept of the given line.y = 3x - 5
A. -5, (0, 3) B. 5, (0, 3) C. 3, (0, -5) D. 3, (0, 5)
Mathematics