The side of an equilateral triangle is 5 cm . what is its height ?

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?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?

Plz ( true - false) all triangles have interior angles whose measure sum to 90.