Answer:
18x+20=2
18(-1)+20=2
Step-by-step explanation:
18(-1)=-18
-18+20=2
Answer:
b. 8.7
Step-by-step explanation:
Answer:
The distance is
or
.
Step-by-step explanation:
Slope of parallel: 2
Slope of perpendicular: -1/2
Pick a point for y =2x + 7. For example (0,7)
Use the perpendicular slope to get to the other line to find the other point of y=2x-3. Look at the screenshot...I got (4,5).
Distance formula 
Insert (0,7) and (4,5)
= 
10 4/5+ 10 2/5= 20 1/5
25- 20 1/5 = 4 4/5 pounds of dog food is left.
Answer:
V = 1384.7 or 1385.4
(look at explanation)
Step-by-step explanation:
V = pi r^2 (h)
V = pi (49) (9)
V = pi (441)
V = 1384.74 if pi is 3.14
if pi is longer
V = 1385.44236