Please help! i will mark you as brainliest :) (worth 30 points)

Without multiplying, tell which product is larger and why. 5 × 1/3 or 5 × 2/3 a)5 × 1/3 because 1/3 is less than 2/3 b) 5 × 1/3 because 1/3 is greater than 2/3 c) 5 × 2/3 because 1/3 is less than 23 d) 5 × 23 because 1/3 is greater than 2/3

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5