Simplify.13 - 0 - (-9) - 12 + (-18)
A. 34
B. -2
C. 16
D. -8
Answer: D
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There are various formulas that will generate Pythagorean triples. Use the specified formula and specified values to generate a Pythagorean triple.For any integer n greater than 1, 
is a Pythagorean triple .Use this method with the value n = 13 to generate a Pythagorean triple.
A. (26, 168, 170) B. (26, 169, 338) C. (13, 25, 27) D. (13, 144, 196)
Write an equation for the graph.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Find a quadratic function that best fits the data. Give answers to the nearest hundredth.
A. y = -4.66x2 - 45.67x + 345.67 B. y = 0.54x2 + 60.05x + 912.48 C. y= -0.7803 + 98.39x - 419.89 D. y = -0.54x2 + 60.05x + 912.48
Solve the problem.Some people must eat a low-sodium diet with no more than 2000 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, a person would take in 535 mg of sodium. Which of the following statements is true?
A. A cookie contains 71 mg of sodium. B. A cracker contains more sodium than a cookie. C. A pretzel contains 49 mg of sodium. D. A cracker contains 30 mg of sodium.