What is the slope of the line that contains these points x 15,17, 19, 21 y -10, 2, 14, 26

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

An energy plant is looking into putting in a system to remove harmful pollutants from its emissions going into earth's atmosphere. the cost of removing the pollutants can be modeled using the function c = 25000p/100 -p what is the vertical asymptote?

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?