Y=mx+b, the b is your y-intercept so just rearrange your equation
y=(3/7)x+(2/7)
your y-intercept would be b) (2/7)
You've got 3 values there.
Get the sum of 65, 30 and 25 and divide their sum by the number of values that exist, which in this case is 3.

Answer:
40
(a-b)(a+b) because when you reverse the sum you do axa and ax-b xx
Answer:
D. -2+4i
Step-by-step explanation:
just combine like terms :)