True or false, there is a decimal point on every whole number. We just don’t usually write it. Help LOL I have a quiz I would appreciate it

Find the product of (4x + 3y)(4x − 3y). 16x2 − 24xy + 9y2 16x2 − 9y2 16x2 + 24xy + 9y2 16x2 + 9y2

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area