Alexis drove 1200 miles in 30 h. what was her rate of travel in miles per hour? *** me***

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2