Three years ago a father was three times as old as his son in five years times the father will be twice as old as his son. What will be the sum of their ages in 4 years time

1. what is the phythaforean theorem? 2.what do we use it for? 1.what is the distance formula ? 2.what do we use it for?

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?