The area of a rectangle is 1176 square meters. the width of the rectangle is 21 meters. what i the length of the rectangle?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

The area of a circle is equal to 1 dm². find the radius of the circle.

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?