It wants me to simplify this and I’m not sure how to do it. Help!

The cost of a taxi ride includes an initial charge of $2.00. if a 5km ride cost $6.00 and a 10km ride cost $10.00, determine the cost of a 15km ride.

As a self-employed seamstress, you know that it takes 7 yards of material to make 3 jackets. you bought 15 yards of material to make 7 jackets. did you buy enough material? if not, how much were you over or under?

Find the slope of the line that passes through the points (0, 0) and (-2, -3). 2/3 3/2 -3/2