A train travels 120km in 2 hours and 30minutes. What is it’s average speed?

225/100 of last years cost. write each fraction as a decimal and as a percent

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)