Plz quick this problem is 1/5 of my grade

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

What is the value of x in the equation 3x4y65, when y=4?

Luigi is the first person to finish a 5k race and is standing 13 feet beyond the finish line. another runner, mario, is still running the race and has approximately 24 feet before he reaches the finish line. what is the distance between mario and luigi? explain through words, numbers or pictures how you found the answer.