Your friend thinks that the equation k-3.5=21 is a true statement. is your friend correct? explain.

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

It says factor each expression 49x-28?

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