The system of equations represented by lines p and q is shown on the graph below. Based on the graph, what is the solution of the system of equations.

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Solve the equation by completing the square. x^2+2x=17

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39