PLEASE HELP ME!

Round your answer to the nearest hundredth. A pizza is cut into 8 congruent pieces as shown the diameter of the pizza is 16 inches find the area of one piece of pizza.

With #! i’ve tried to figure it out but i can’t.

What is the sum of these mixed numbers 2 1/8 + 4 3/8

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in