M is the slope of the equation.
Hope this helps!

in case you wonder why we used 105 as LCD,
21 = 3 * 7
15 = 3 * 5
the "3" is common to both denominators, so we "use it once" and our LCD is then 3 * 7 * 5.
Answer:
<BCE=130°
Step-by-step explanation:
<BCE + <HCE=180° (Angles on a straight line)
<BCE+50°=180°
<BCE=180°-50°
<BCE=130°
Answer:
A. 
Step-by-step explanation:
Given:
Volume of the cylindrical container before dilation, 
Scale factor of the dilation, 
Therefore, the volume of the dilated cylinder is given as:

Plug in 1 gal for
and
for SF. Solve for
. This gives,

Therefore, the volume of the dilated cylinder is
gallons.