Please answer asap! 30pts
abc is an isosceles triangle.

Solve for x. In your final answer, include all of the necessary calculations

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

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.