How many solutions does the system have ? 3x + y = 8 2x + 2y = 8 a) exactly one solution b) no solutions c) infinite solutions

The data represents the semester exam scores of 8 students in a math course. {51,91,46,30,36,50,73,80} what is the five-number summary?

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

Asap! i'm not good math and i'm lost.