Solve the problem.An omelette costs $1.00 more than Mario's order of pancakes. After treating his family to breakfast, Mario is sure that 4 omelettes and 2 orders of pancakes cost more than $25 but not more than $40, including tax of 7% and a tip of $3.50. In what price range is an order of pancakes?
A. ($2.68, $5.02)
B. ($2.68, $5.02]
C. ($2.64, $4.98]
D. [$2.64, $4.98]
Answer: B
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Solve the problem.A company has three different marketing strategies that produce different results depending upon whether inflation is above 6%, between 3% and 6% inclusive, or below 3% annually. The experts cannot predict inflation for the next year. The company has three plans of action and will implement these at varying percentages of its total operation. The payoff matrix for these three plans is given below, with values given in hundred thousands. What is the market strategy for the company that will yield the best expected value? 
A. The company should use Plan 1 with probability 1, Plan 2 with probability 0, and Plan 3 with probability 0. B. The company should use Plan 1 with probability 0, Plan 2 with probability 1, and Plan 3 with probability 0. C. The company should use Plan 1 with probability 5/13, Plan 2 with probability 0, and Plan 3 with probability 8/13. D. The company should use Plan 1 with probability 1/3, Plan 2 with probability 1/3, and Plan 3 with probability 1/3.
Complete.12 yd = 
ft
A. 432 B. 108 C. 144 D. 36
Find the product.-5(78)
A. 363 B. -390 C. 490 D. -350
Express the number in scientific notation.0.000012712
A. 1.2712 × 105 B. 1.2712 × 10-4 C. 1.2712 × 10-5 D. 1.2712 × 104