Romano pay 312.50 for a television set the markup on the price of television set 25%what equation could you use to find the amount of money that the store paid for the television

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Find the distance between the point (-3,-4), and (see the picture below)

Match the one-to-one functions with the graphs of their inverse functions.