Using the formula r=d/t, where d is the didtance in miles, r is the rate, and t is the time in hours, at which rate must you travel to cover 185 miles in 2.5 hours

When are two distinct non vertical lines parallel

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?

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.