A coyote can run up 43 miles per hour while a rabbit can run up to 35 mile-per-hour. Write two equivalent expressions and then find how many more miles a coyote can run in 6 hours than a rabbit can at these rates. Example of an expression: 6(9.50+1.50)

What are the domain and range of the functiony = 2(x - 3)2 + 4?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.