Solve the problem by using three variables.By eating 1 cracker, 1 pretzel, and 1 cookie, one would ingest 149 mg of sodium. By eating 8 pretzels and 8 cookies, one would ingest 936 mg of sodium. By eating 6 crackers and 7 pretzels, one would ingest 535 mg of sodium. How many mg of sodium are there in one pretzel?
A. 50 mg
B. 49 mg
C. 48 mg
D. 47 mg
Answer: B
Mathematics
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Subtract.14.633a - 14.212a
A. 0.521a B. 0.421a C. 0.321a D. 28.845a
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Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
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Solve the system by elimination. If the system is inconsistent or dependent, say so.5x + 
y = 154x + 
y = 
A. (4, -2) B. (5, -3) C. (-4, -3) D. empty set solution; inconsistent system
Mathematics
Find the exact value of the expression.tan 
A. -2 - 
B. 2 + 
C. 2 - 
D. 
- 2
Mathematics