Abag contains 40 marbles, 4 of which are blue, 10 are red, 25 are green, and 1 is purple. shawna takes a marble out of the bag, records the color, and returns it to the bag. how many green marbles should she expect after 400 trials? (5 points)

Answer this question! 30 points and brainliest! only if you know the answer.

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

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