HELP PLEASE TELL ME WHICH ONE WITH AN EXPLAINATION

Use the distributive law to multiply. 3(4x + 5y + 6)

Which of the following represents the range of the graph of f(x) below

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field