Are lines a and b parallel and if so, why?

best and correct answer gets brainliest!

Yuri, sam and dani had the same math homework last night, but none of them finished it. yuri finished 3/8 of her homework, sam finished 4/6 of her homework and dani finished 1/2. who finished the most math homework? who finished the least amount?

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2