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
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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
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
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
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