Why do you subtract X1 from X2 (X2 - X1)
to find slope? explain.

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

What makes a trapezoid an isosceles trapezoid?

Measure a and b and find their sum. how are the angles related?