Keisha, Chau, and Deandre sent a total of 105 text messages over their cell phones during the weekend. Deandre sent 3 fewer messages than Keisha. Chau sent 5 times as many messages as Deandre. How many messages did they each send?

Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2

Plzzz answer both questions and i will give you 100 points

You had $235 in your savings account nine weeks ago. you withdrew the same amount each week for 8 straight weeks. your balence was then $75. solve the equation 235 - 8m=75 to find how much money m you withdrew from your account each week. 2 points