Answer:
-3
Step-by-step explanation:
Because f(x) = y so when y=3 what is input value (x)
When y is 3 x is -3
13-8= 5 comic books to begin with,
is that the problem?
Answer:

Step-by-step explanation:
According to PYTHAGORAS Theorem,
let the Hypotenuse be x

Well make the equation into slope intercept form: y=mx + b and whatever the coefficent is to x will be your slope
8x+2y= 5 can be written as y= (-8/2)x + (5/2) so the slope would be (-8/2)