two lines, a and b, are represented by equations given below: line a: y=x-4 line b: y=3x+4 which of the following shows the solution to the system of equations and explains why? (-3,5) because the point satisfies one of the equations (-3,5) because the point lies between the two axes (-4,8) because the point satisfies both equations (-4,8) because the point dies not lie on any axis

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

You are shooting hoops after school and make 152 out of a total of 200. what percent of shots did you make? what percent did you miss? show proportion(s).

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?