Find the unit rate. Jack shells 315 peanuts in 15 minutes

21 shells per minute

Step-by-step explanation:

So in order to find out how many Jack shells per minute we have to divide the number of peanuts by the minutes it take to shell the peanuts

315/15=21

so for every minute that passes 21 peanuts are shelled

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb