Which of ratios below has a unit rate of 30 ?

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)

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?