Question

Can someone give me a hand

Answer 1

when given two points of a line, find the slope first, then use either one of the points to find the y intercept:
y=mx+b
m=[21-(-29)]/[5-(-5)]=5
y=5x+b
Use (5, 21) to find out b: 21=5(5)+b, b=-4
the equation of the line is y=5x-4