50 quarts equals how many gallons and how many quarts?

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

There is a spinner with 14 equal areas, numbered 1 through 14. if the spinner is spun one time, what is the probability that the result is a multiple of 2 or a multiple of 5?

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