Hassan built a fence around a square yard. it took 500 feet of lumber to build the fence. the fence is 5 feet tall. what is the area of the yard inside the fence?

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Una caja de galletas contiene 16 paquetes y cada una de estas tiene 12 galletas y se quieren repartir entre 6 niños ¿de cuantas galletas le toca a cada niño?

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?