Simplify and find value. b 3 1 2 xy2−2 4 5 x2y−2 1 2 y2x+2 4 5 x2y, if x=1 , y=−2 QUICK

How can you decide witch operations to use to slice a two step equation

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

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2