Ethan wants to predict who will be selected as the eighth-grade class president. which of the following groups should ethan survey to make his prediction?
one hundred random students from the entire school
one hundred random students from the eighth grade
the first 100 students from an alphabetical list of eighth graders
the first 100 students from an alphabetical list of the entire school

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

What is the value of the product (3-2i)(3+2i)?

Efficient homemakers ltd. makes canvas wallets and leather wallets as part of a money-making project. for the canvas wallets, they need two yards of canvas and two yards of leather. for the leather wallets, they need four yards of leather and three yards of canvas. their production unit has purchased 44 yards of leather and 40 yards of canvas. let x be the number of leather wallets and y be the number of canvas wallets. draw the graph showing the feasible region to represent the number of the leather and canvas wallets that can be produced.