It would take 6

hours or 6.25 hours if John uses the 100 watt pump.
Answer: m= -2
7(m+5) = 21
7m + 35 = 21
-35. -35
7m = -14
————-
7. 7
m = -2
Answer:B
Step-by-step explanation:
simple, there is one point of intersection or where the lines meet
Answer:
4c+4d+36
Step-by-step explanation:
multiply each separate variable inside the parenthesis by the number outside of parenthesis.