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 cracker has 30 mg of sodium.
B. A cookie has 71 mg of sodium.
C. A pretzel has 49 mg of sodium.
D. None of these
Answer: C
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Solve the problem.Find the value of a retirement savings account with an annual contribution of $1800 (contributions made at the end of each year, including the last year), and an APR of 6.6% after 35 years. Round your answer to the nearest cent.
A. $228,133.06 B. $244,989.84 C. $233,121.77 D. $223,262.44 E. $212,319.94
Convert the angle from degree measure to radian measure. Round to the nearest hundredth of a radian when appropriate.570°
A. 
B. 
C. 
D. 
Solve.xy - x2 = -20x - 2y = 3
A. (-5, -1) and 
B. (5, 1) and 
C. (-5, -1) and 
D. (5, 1) and 
Simplify the expression.-634
A. Exponent: -4, base: 63 B. Exponent: -63, base: 4 C. Exponent: 4, base: -63 D. Exponent: 4, base: 63