(-2+21) determine complementary and supplementary

What is the distance between the points (2, 5) and (5,9)?

The soccer team is conducting a fundraiser selling long-sleeved t-shirts for $14 and short-sleeved t-shirts for $10. so far the team has sold less than $200 worth of the two types of t-shirts. which inequality best represents x, the number of long-sleeved t-shirts they have sold, and y, the number of short-sleeved t-shirts they have sold?

I've tried but its still not right! what is ae ? enter your answer in the box. = units