When using substitution to solve this system of equations, what is the result of the first step? y = 6x + 3 and x + 2y = 5

It takes evan 6 3/4 to mow 3 lawns. it takes 2 1/3 hours to mow me. gals lawn and 1 3/4 hot mow ms. lee’s lawn. how many hours does it take evan to mow the third lawn?

The parabola opens: y=√x-4 (principal square root) up down right left

Find the value of x that will make l ll m