Can someone help me? Will mark brainlist if you show work and give the correct answer!

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 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost

If m_b=mzd= 43, find mzc so that quadrilateral abcd is a parallelogram o 86 137 o 129 43 description