CALCULUS: Find the derivative of , without using the product of quotient rule. Please show your work. I know how to do this problem with the quotient rule, but I cannot solve it without it. Could someone please help? No fake answers. Thank you in advance! :)

Answer this question only if you know the answer! 30 points and

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

The weight of an object in the water is 7% of its weight out of the water. what is the weight of a 652g object in the water?