The histogram below shows the ages of people that came to a doctors office this morning grouped by age.
How many people were greater than or equal to a 20 years old but less than 60 years old?

Which of the following expressions is equal to 2x^2+8

9/10 divide by -3/15 as a mixed number

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?