Solve the equation by the method of your choice.7x2 = -12x - 3
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Answer the given question by setting up and solving the appropriate proportion. If necessary, round the answer to two decimal places.An industrial cleaner is diluted 3 part of cleaner to 4 parts of water. What volume (in mL) of cleaner should be used to get 420 mL of diluted solution?
A. 240 mL B. 180 mL C. 290 mL D. 315 mL
Mathematics
Fill in the blank with one of the words or phrases listed below. 
The measure of the space of a solid is called its 
.
A. volume B. area C. surface area D. perimeter
Mathematics
Factor, if possible.5x3 + 10x2y - 40xy2
A. Prime polynomial B. (5x2 + 10xy)(x - 4y) C. 5x(x - 2y)(x + 4y) D. 5x(x + 2y)(x - 4y)
Mathematics
What is the probability of obtaining at least one head when a coin is flipped four times? ?
A. 
B. 
C. 
D. 
E. 
Mathematics