The sum of the speeds of two trains is 719.7 miles per hour. If the speed of the first train is 2.3 mph faster than that of the second​ train, find the speeds of each.

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

Hi, can anyone show me how to do this problem? 100 points for this. in advance

In the diagram, gef and hef are congruent. what is the value of x