Ms. walker used a coordinate plane to plot her students' scores on a recent quiz. she let x represent the number of correct answers they had on their quiz and y represent the number of points earned. she then plotted the ordered pairs (17, 68), (20, 80), and (24, 96) to represent the data from three students. what is the slope of the graph in points per question?

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?