Solve the system of equations graphically. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent of dependent.5x + y = 25x + y = 7
A. No solution, inconsistent
B. (5, -3)
C. Infinitely many solutions, dependent
D. (1, -3)
Answer: A
Mathematics
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Solve the problem.The function A(x) = 1.06x -.02x3 gives the approximate alcohol level (in tenths of a percent) in a person's blood x hours after drinking about 8 ounces of 100-proof whiskey. What would the person's alcohol level be 2 hours after drinking? Give answer as a percent.
A. 0.196% B. 0.208% C. 1.96% D. 2.08%
Mathematics
Solve and check.7a = -63
A. a = -70 B. a = 1 C. a = 70 D. a = -9
Mathematics
Multiply.(6x + 5y)(6x - 5y)
A. 36x2 - 60xy - 25y2 B. 36x2 + 25y2 C. 36x2 + 60xy - 25y2 D. 36x2 - 25y2
Mathematics
Use the order of operations to simplify the expression.
+ 
? 
A. 
B. 
C. 
D. 
Mathematics