Please help im being strangled by a homeless man wearing underwear on his head

In trapezoid klmn, kj=19.2 and jm=22.5. identify ln.

What does independent variable and dependent variable mean in math?

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