13. Open-Ended Give one example of an equation with variables on both sides that is an identity and one equation with variables on both sides that has no
solution. Justify your examples by solving the equations.

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

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?

Are the corresponding angles congruent? explain why or why not.