a dvd club charges nonmembers $20.50 to purchase a dvd with a 25 one time membership fee members pay $18 per dvd for what number of dvds is the cost the same for members and nonmembers on the first purchase?

Diana is painting statues. she has 7/8 of a liter of paint remaining. each statue requires 1/20 of a liter of paint.how many statues can she paint? yeah dad i added the cup to the door now will you stop emailing me while im doing my homework.(lmbo xd i just realized this wooow)

The hypotenuse of a 45 -45 -90 triangle measure 7 square root 2 units

The ratio of men to women working for a company is 4 to 5 . if there are 90 women working for the company, what is the total number of employees?