Solve the system.2x + y = 12x - z = 6y + z = -5
A. Infinitely many solutions
B. No solution
C. (6, -5, 0)
D. (0, 1, -6)
Answer: A
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Solve the problem.Leah has $145 in her checking account. She writes a check for $25, makes a deposit for $92, and then writes another check for $184. Find the amount left in her account. (Write the amount as an integer.)
A. 156 dollars B. -156 dollars C. -28 dollars D. 28 dollars
Solve. Write the answer in simplest form.Given the following diagram, find L, its total length.
x = 
inch, y = 
inch, z = 
inch
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Solve the problem.Jill is 5 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 1 km/hr. They meet in 2 hours. How fast is Joe walking?
A. 3.5 km/hr B. 1.25 km/hr C. 1.5 km/hr D. 3 km/hr
State the end behavior of the graph of f.f(x) = 0.2x5 - 4x2 + 9
A. Down on left side, up on right side B. Down on both sides C. Up on left side, down on right side D. Up on both sides