Express in simplest form

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

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122