Answer:
Step-by-step explanation:
Let point A be
and point B 

Use the point-slope formula and whichever point you want as , in this case I'll use

Answer:
m=4
Step-by-step explanation:
-5m=-20
m= - 20/-5
m=4
9/14 stays the same
2/7 turns into 4/14
1/ into 7/14
all of them added is 20/14
simplified is 1 3/7
Answer:
x = 2
Step-by-step explanation:
f(x) = x + 8
f(x) = 10
10 = x + 8
minus 8 from the both sides
10 - 8 = x
2 = x
x = 2