$6.00 × 20 = $120 in 40 hours last week

What is the length of the unknown leg in the right triangle ?

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 you are trying to move an attached term across the equal sign (=), what operation would you use to move it?