Solve the system of equations by graphing. If the system is inconsistent or the equations are dependent, say so.-2x + 3y = -93x + 2y = 20
A. ? (inconsistent system)
B. {(1, 6)}
C. {(-2, 26)}
D. {(6, 1)}
Answer: D
Mathematics
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Find all solutions.x3 - 7x2 + 10x = 0
A. {5, 2} B. {-5, -2} C. {0, 5, 2} D. {0, -5, -2}
Mathematics
Solve the problem.To calculate the drug dosage for a child, a pharmacist may use the formula 
The child's age is x and the adult dosage is D. What is the dosage for an 
old child if the adult dosage is 50 mg? (Round to the nearest tenth.)
A. 50.0 mg B. 21.4 mg C. 3.6 mg D. 37.5 mg
Mathematics
Write the improper fraction as a mixed or whole number.
A. 4
B. 3
C. 3
D. 2
Mathematics
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.(7x + 9)2 = 64
A. 
B. 
C. 
D. 
Mathematics