Out of 18 runners, 11 finished the race. Write as a ratio. What type of ratio is this? Whole to part part to part part to whole

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?