How many solutions does the system y=2x+1 -4x+2y=2 have

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

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.

What is the slope of the line shown below?