Express 2.25 as a fraction in the simplest form. {p/q form}

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.