Write an equation to model the situation: Marisol and Kaelani are baking cookies. Kaelani bakes 5 more than 3 times as many cookies as Marisol.
Together they bake 150 cookies. (you DO NOT need to solve the equation)

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Need on this one asap im almost done with this subject

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.