Michonne paddles a kayak 14 miles upstream in 3.5 hours. The return trip downstream takes her 2 hours. What is the rate that Michonne paddles in still water? What is the rate of the current? Help please?

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Write the factored form of this trinomial 9x^2+18x-7