Write the sum using summation notation, assuming the suggested pattern continues. 729 + 1000 + 1331 + 1728 + + n3

What is the area of triangle abc if a = 8, b = 11, and c = 15?

During a bike challenge riders have to collect various colored ribbons each 1/2 mile they collect a red ribbon each eighth mile they collect a green ribbon and each quarter mile they collect a blue ribbion wich colors of ribion will be collected at the 3/4 markrer

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).