After reading a book about ancient Egypt, Cassie decided to build a model of a pyramid out of cardboard. How much cardboard does Cassie need to make the model, including the bottom? 30cm and 25 cm

So me with this math problem. find the value of x the table shows the masses of 50 eggs. mass: 40-44 eggs: 6 mass: 45-49 eggs: x mass: 50-54 eggs: 12 mass: 55-59 eggs: 10 mass: 60-64 eggs: 7 mass: 65-69 eggs: 2 you!

Simplify the expression. -2/5(10+15m-20n)

Find the perimeter of the figure shown above. a. 40 cm c. 52 cm b. 60 cm d. 75 cm select the best answer from the choices provided