Answer:1. find the intersection, 2.) 0 and 1, 3,) 2 and 3, 4.) 0.4, 2.8
Step-by-step explanation:
I hope this helps you
x/3+y/-1=1
x/3-y=1
x-3y/3=1
x-3y=3
Answer:
x= 
y= 
Step-by-step explanation:

Simplify, find the x-value first:

Substitute x-value into any equation (i did the second equation) and simplify:


Answer:
definately C
Step-by-step explanation:
add the wednesday and thursday together, and M represents friday, and 40 is the whole trail.
Step-by-step explanation:
If there were 7 items, the number of ways to choose 7 out of the 7 items is only 1 way, which is to get all of them.
=> 7C7 = 1.