Can someone with my freshman algebra ? to whoever decides to (:

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

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1