From 1980 to 1990, lior’s weight increased by 25%. if his weight was k kilograms in 1990, what was it in 1980?

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

Place the following steps in order to complete the square and solve the quadratic equation,

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?