a normal curve with a mean of 400 and a standard deviation of 50 how much of the data falls within the shaded region of 309 to 500?

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

The distributive property allows you to say that 3(x − 1) = 3x −