Answer:
No solutions
Step-by-step explanation:
Step: Solve−3x+7y=−12 for x:
Step: Substitute
0 = -12 so No Solutions
Answer:
1
Step-by-step explanation:
The slope of the line is 1. To find slope use the formula 
, this calculates the change in y over the change in x. So plug in the known values 
, this equals 3/3 or 1. This means every time y increases by 1, x will also increase by 1.
Answer:
40 inch
Step-by-step explanation:
1 inch=2.54cm
so 40 inch= 101.6 cm
Let x be the capacity of the tank then
3x/4-x/8 =15,
then x=24, so so far it has 3/4 *24 =18 so you need 6 gallons to fill it up
