What is the solution of the following system of equation x +y = 2 x - y = 4

There are 12 boy and13 girls in a class. if the teacher randomly chooses a student’s name out of a hat what is the probability it will be a girl

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.