Wo trains leave stations miles apart at the same time and travel toward each other. one train travels at miles per hour while the other travels at miles per hour. how long will it take for the two trains to meet?

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Which of the choices shown could be used to prove that aacp=abcp ?

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.