Which number below is a perfect square? 15 19 16 20 ​

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

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

Hurry which expression is equivalent to 3√x^5y?