PLEASE HELP !!
The ratio of wins to losses is 5:4 for a soccer team.
if the team played 90 games, how many games did the team win ?

How many lines can be drawn through points j and k? 0 1 2 3

What is the upper quartile in the box plot?

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )