In a recent survey, 8 people were each asked the number of times they have been on an airplane. Here is a list of the responses 8, 11, 5, 22, 9, 18, 5, 20
Find the range of the data set.

Quadrilateral wxyz is on a coordinate plane. segment yz is on the line x+y=7 and segment xw is on the line x+y=3. which statement proves how segments yz and xw are related

This is different from the first one can someone me

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?