The surface of a three dimensional figure is equal to the area of it's base. true or false?

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

To decrease an amount by 16% what single multiplier would you use

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6