Let z be a categorical varibale with four levels: 1, 2, 3, and 4, and let X and Y be contirnue. using the following R output, estimate the average predicted value of Y in each catrgory of Z when Z is 10

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.