Help Please Brainlist if correct (dont answer if you dont know please)

Ineed with number 6 , explain how to get 1978

Asap its important using the information in the customer order, determine the length and width of the garden. enter the dimensions.length: feetwidth: feet

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square