If sachi, sheryl, shayla, shannon, and stephanie all want to sit on the back seat of the school bus, in how many different ways can they arrange themselves?

What is coefficient of the term of degree of degree 5 in the polynomial below

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

How do you write a paragraph proof to prove that the corresponding angles shown are congruent