Linear systems by graphing y = -x + 5 solution:
y = x + 1

and how to graph 10 by 10 x, y graph?

Hello!
volume of sphere =4/3.pi.r^3

If i think this is what your asking, he should look at the grams or pounds/ounces and compare the to their cost then max can identify which one is proportional and which is not ( i think xd)