assume that the speed of automobile on an expresdway during rush hour is normally distributed with a mean of 43mph and a standard deviation of 6mph. what percentage of cars are traveling faster than 43 mph​

The sales tax rate is 7.25%. how much tax in dollars is added on an item that costs $56.00? a. $4.06 b. $7.25 c. $14.50 d. $60.06

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

Find the zeros of each function. f(x) = 6x^2 - 7x - 20