Lauren has already run 3 miles on her own, and she expects to run 4 miles during each track practice. Write an equation that shows the relationship between the practices x and the distance y.

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25

Acompany that makes? hair-care products had 5000 people try a new shampoo. of the 5000 ? people, 35 had a mild allergic reaction. what percent of the people had a mild allergic? reaction?