1. It takes 45 minutes for two people to clean six identical rooms. How long would it take five people to clean 20 of the same rooms at the same
rate?​

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square