Which of the following statements is true ?

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 perimeter of square abcd? units units 28 units 37 units

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days