Solve the quadratic inequality by sketching the graph of the corresponding quadratic function.x2 - 8x + 15 < 0

A. Solution: (3, 5)

B. Solution: ?

C. Solution: [3, 5]

D. Solution: (-?, 3) ? (5, ?)


Answer: A

Mathematics

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Find the indicated part of the right triangle.The hypotenuse is 250, and one angle is 12.6°. Find the shorter leg. Round your answer to the nearest hundredth.

A. 62.00 B. 49.65 C. 243.98 D. 54.54

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Find z1z2. Write your answer in standard polar form with the argument in radians.z1 = 2 + 2i, z2 =  - i

A. 4
B. 4
C. 4
D. 4

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Provide an appropriate response.The total of all the monthly payments plus the amount of the mortgage is equal to the total cost of interest.

A. True B. False

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Solve the problem.Some people must eat a low-sodium diet with no more than 2,000 mg of sodium per day. By eating 1 cracker, 1 pretzel, and 1 cookie, a person would ingest 149 mg of sodium. If a person ate 8 pretzels and 8 cookies, he or she would ingest 936 mg of sodium. By eating 6 crackers and 7 pretzels, the person would take in 535 mg of sodium. Find the amount of sodium in each.Which of the following is true?

A. A pretzel has 49 mg of sodium. B. A cookie has 71 mg of sodium. C. A cracker has 30 mg of sodium. D. None of these

Mathematics