9. what is the correct slope for the linear function 10x = -20y + 40
a. 20
b. -20
c. 1/2
d. -1/2

10. What is the correct y-intercept for the linear function 10x = -20y + 40
a. 2
B. -2
c. 1/2
d. -1/2

14. What is the slope of point ( 4,-3) and (1,1)
a. 5/4
b. -5/4
c. 4/5
d. -4/5

15. what is the slope of point (0,0) and (5,2)
a. -2/5
b. 2/5
c. 5/2
d. -5/2

pls choose a right letter for each number thanks