Lesson 2: exploring circles
let's explore circles.
2.1: how do you figure?
here are two figures.
figure clooks more like figure a than like figure b. sketch what kind figure c might look like.
explain your reasoning,

i'm failling

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

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?

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x