How do you turn 0.93 as a fraction in simplest form and how do you show the work

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

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

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.