State the slope and Y intercept of this problem Y = -x + 2

Show me how you find y and z and determine what y and z are you i appreciate it : )

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?