Solve. Simplify the answer.A painter used 6
gallons of paint to paint the front of a house and another 8
gallons to paint the back. How much paint did he use in total?
A. 14
gal
B. 15
gal
C. 14
gal
D. 14
gal
Answer: B
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Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.
3
A. 
B. 
C. 
D. 
Use a calculator to approximate the root to the nearest thousandth.
A. 1.146 B. 1.127 C. 1.142 D. 1.114
Provide an appropriate response.What is the perpendicular bisector of the segment between A = (5, -2) and B = (6, 7)? Give the equation in point-slope form.
A. y - 
= 
B. y - 
= - 
C. y - 
= -9
D. y - 
= - 
Provide an appropriate response.The height of an object after t seconds is given by the equation h = -16t2 + 9t + 5. When 
, solving for t means finding the time when the object hits the ground. A student uses the quadratic formula and finds 2 solutions. One is negative and the other positive. Which solution makes sense? Which does not? Why?
What will be an ideal response?