3. at a bargain store, tanya bought 3 items that each cost the same amount. tony bought 5 items that each cost the same amount, but each was $1.50 less than the items that tanya bought. both tanya and tony paid the same amount of money. what was the individual cost of each person's items?
(a) write an equation. let x represent the cost of one of tanya's items.
(b) solve the equation. show your work.
(c) check your solution. show your work.
(d) state the solution in complete sentences

Solve 2x+y=3 x+y=5 in substitution method

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

Factor the polynomial. b^2 + 4b + 4