Answer:
-7.4
Step-by-step explanation:
Put the abscissa value into the equation and solve for the ordinate.
21·3 -5y = 100
-5y = 37 . . . . . subtract 63
y = -7.4 . . . . . . divide by -5
The ordinate will be -7.4.
25=x
2x+20=3x-5 (x=25)
A
-5 y^ - I5 y=0
-5 y (y +3) =0