I need do now this answer please A car travels 30 1/5 miles in 2/3 of an hour. What is the average speed in miles per hour of the car

Which best explains why this triangle is or is not a right triangle?

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?

Solve the inequality and graph 6j - 7 < 5