Need help!! I don't know how to solve these.

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8