Me with problem 1 of inequalities in two variables.

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

Solve: 3x+y=6 4x-2y=18 show all work !

What is the 12th term of b(n)=-4-2(n-1)