Please help :(
On 1 and 2

1) year 5, 2) 150 baseball, 100 basketball

Step-by-step explanation:

1)

By simply looking at the chart, we can see that they intersect at about year 5.

2)

For Baseball, it seems like the y-intercept is about 150 by estimation.

For Basketball, it seems like the y-intercept is 100 by estimation.

graph b

step-by-step explanation:

one solution- graph a (clear intercepting point.)

no solution- graph b (they're parallel, there will never be a point of interception.)

infinite solutions- graph c (all points intercept.)