Answer:
(2,2) and (3,1)
Step-by-step explanation:
Since we're given the value of y in the second equation, we can replace the y on the left side of the first equation with 4-x, giving us
We can factor the expression on the right to get us
Solving 
and 
gets us the solutions 
, which we can plug into the second equation to get us
So, our solution set is the pair of points (2,2) and (3,1)
Answer:
1/5
Step-by-step explanation:
0.2
=2/10
=1/5
Answer:
p=1
Step-by-step explanation:
18p-9p=9p
9p-2p=7p
7p=7
Answer:
35% chose baseball or soccer
Step-by-step explanation:
baseball or soccer = 20% + 15% = 35%
_____
The categories add to 100%, so are mutually exclusive, as you expect when they are "favorite sport" categories. Hence the union of two of them will be their sum. (Otherwise, you'd have to subtract the amount by which the categories overlap.)
