Determine if any are parallel or perpendicular

Classify each polynomial by its degree and by its number of terms.

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

17 in long 1.3 ft wide and 8in high what is the volume