100 POINTS AND ILL GIVE BRAINLIEST FOR THE FIRST CORRECT ANSWER Shelly has a beaker that contains 5 and two-thirds fluid ounces of water. She pours out 3 and one-third fluid ounces of water. Which expression can be used to find the number of fluid ounces of water that remain in the beaker?
5 and two-thirds minus 3 and one-third
5 and two-thirds + 3 and one-third
3 and one-third minus 5 and two-thirds
5 and two-thirds minus (negative 3 and one-third)

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Is the square root of 4 plus the square root of 16 rational?