in order to increase the circumference of a circle from 12 pi cm to 18 pi cm by how much must the diameter increase?

If the measure of xyz is 81 what is the measure of yz

Which graph represents the function g(x) = |x + 4| + 2?

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212