If cot^(4)x − cot^(2)x = 1, then the value of cos^(4)x + cos^(2)x is

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

Standard deviation of 19,29,21,22,23

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?