PLEASE HELP CAN'T FIGURE IT OUT WILL GIVE BRAINLIEST ANSWER
4. Suppose y varies directly with x, and y = 24 when x=8. What is the value of y when x=10?
A) 10
B) 30
C) 80
D)240
5. What is an equation for the line with slope 2/3 and y-intercept 9?
A) y = 2/3x
B) y=9x
C) y = 2/3x + 9
D) 6= 9x +2/3
6. What is an equation in slope-intercept form for the line that passes through the points (1,-3) and (3,1)?
A) y=3x+1
B) y=x-3
C) y=2x+5
D) y= 2x-5
