4 times the difference of 9 and a number

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

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

Select the lengths in centimeters that would form a right triangle