You can buy 20 fluid ounces of shampoo for $4.40 or 24 fluid ounces for $4.80. which is the better buy? explain.

Quadrilateral abcd is a parallelogram with diagonals that intersect at point e. which of the following statements is true?

Solve this problem by using a 5d process or writing and solving an equation. no matter which method you use, be sure to define your variable and write an equation to represent the relationship a rectangle has a perimeter of 30 inches. its length is one less than three times its width what are the length and wodyh of the rectangle?

How to square the standard deviation? how do you get the bottom number so you can actually square it? for instance, 22/6 squared is 1.91, where did they get the 6 from?