The sum of the perimeter of two squares is 40cm while the sum of the area is 58cm². find length the side of the square.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

What is negative 3/9 times negative 2/8 ?