Answer:
C
Step-by-step explanation:
We know it's direct variation using the direct variation equation.

Where k is the constant.
Since 7 times x is the y values, 
Now we can substitute 7 into k of the direct variation equation.

Formula is l x w x h
50x28x33=46200 cm^3
last choice 46,200 cm^3
Answer:
n = 12 nickels
d = 11 dimes
q = 7 quarters
Step-by-step explanation:
.05n + .1d + .25q = 3.45
n + d + q = 30
n = q + 5
n = 12
d = 11
q = 7
Here are the answers:
1.) DC=D’C’
2.) 3.) ED=E’D’
Answer: A)
Step-by-step explanation: If You just look at the numbers you can single out which one is correct