Hii can someone please help with 9 and 10 thank you! Brainlist answer! (No links)

Q1) jin loves carrot yesterday she ate ½ of here carrots and today she ate 2/3 of the remaining carrots. she then discover that she has 12 carrots left. yesterday she must has started with carrots? a)36 b)48 c)60 d)72

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25