Which circles have a circumference of 18pi units?
choose all answers that are correct.

a. a circle with a radius of 9 units

b. a circle with a radius of 18 units
c. a circle with a diameter of 18 units

d. a circle with a diameter of 36 units

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

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)