12x13=? please help I only know up too 12 not. 13 hel

What is the simplified expression for 6(2(y+x))

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

Divide. write in simplest form 41/6 divided by 10