Penni is making a mosaico pattern with 2-inch square tiles. The area she wants to cover is 8 inches by 4 inches. How many tiles does she need?

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?