Solve.
3x+4y=−15

2x−2y=−3

Question and answers are in the attached picture. you so much in advance.

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

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg