The store offers a 20% discount) The discount price of a hat is $18. What Is the regular price? Please give an explanation or show how you got it

The measure of an angle is 117°. what is the measure of a supplementary angle?

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.