A certain dry cereal is packaged in 23-oz boxes. The machine that fills the boxes is set so that, on the average, a box contains 23.4 oz. The machine-filled boxes have contents weights that can be closely approximated by a normal curve.
What percentage of the boxes will be underweight (that is, below the stated weight of 23-oz) if the standard deviation is
0.4 oz?

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

What is the radius of the cone in the diagram? round your answer to the nearest whole number

Which equation represents h for right triangle abc