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.In a certain town the annual consumption, b, of beef (in pounds per person) can be estimated by 
where t is the number of years since 2010. Find and interpret the t-intercept of the graph of this function.
A. 34; If this trend continues, the annual consumption of beef in this town will be zero pounds per person in the year 2078. B. 68; The annual consumption of beef in this town was 68 pounds per person in 2010. C. 34; The annual consumption of beef in this town was zero pounds per person in 2010. D. 68; If this trend continues, the annual consumption of beef in this town will be zero pounds per person in the year 2078.
Simplify the expression.
? 
A. y + 7
B. 
C. 
D. 
Subtract.-19 - 4
A. -15 B. 23 C. 15 D. -23
Answer True or False to the statement.Every integer is an irrational number.
A. True B. False