How is a theorem different from a postulate?

Gh bisects fgi. find the measure of hgi •15° •21° •10° •8°

What is the equation of a line that passes through points (0, 4) and (-4,-8)?

An object is accelerating at a constant rate. its velocity in feet per second as a function of time in seconds can be modeled by the linear function v(t) = 2.5t. what does the dependent variable represent for this function? a) acceleration b) distance c) slope d) velocity