If 8% tax is charged on the sale price, what is the total with tax

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 is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

Find the distance between (0,5) & (-4,2)