Two trains leave stations 360 miles apart at the same time and travel toward each other. one train travels at 70 miles per hour while the other travels at 80 miles per hour. how long will it take for the two trains to meet?

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

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

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?