Monomials are algebraic expressions that contain one term. It can be variables combined together to make one single term. It can be a single variable combined many times. As long as it is one single entity, it is a monomial
Given the formula for the area of the right angles triangle above to be
Bob has a garden the area is 75 square feet the legnth is 3 times the width solve 75=lw l=3w subsitute 75=3w times w=3w^2 75=3w^2 sdivide by 3 25=w^2 square root 5=width subsitute 3w=l 3 times 5=l l=15