Use the quadratic formula to solve the quadratic equation.3z2 - 5z = 
A. z = 
B. z = 
C. z = 
D. z = 
Answer: D
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Evaluate the sum.
A. 147 B. 146 C. 132 D. 133
If the area of a triangle is 30 m2 and the height is 10 m, what is the length of the base?
What will be an ideal response?
Solve the problem.If friction is ignored, the time t (in seconds) required for a block to slide down an inclined plane is given by the formula t = 
where a is the length (in feet) of the base and g ? 32 feet per second per second is the acceleration of gravity. How long does it take a block to slide down an inclined plane with base a = 13 when 
If necessary, round the answer to the nearest tenth of a second.
A. 0.4 sec B. 1.5 sec C. 1.4 sec D. 1.8 sec
Solve the problem.If a roll of wallpaper costs $30, how much will 9 rolls cost?
A. $270 B. $272 C. $41 D. $39