Helen bought 4 gallons of paint to redecorate her family room. if she uses 4/5 of the paint on the family room walls how much paint does helen have left

In the rectangle below ac=30 units what is de

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg