Which brother ate more grapes.1.438 pounds and his brother ate 1.44 pounds?

Ican figure out 20 shares multiply by $117.98 =2359.6920 shares multiply by $124.32=2486.40then take 40 shares multiply by $128.48=5139.20after that i'm lost any be greatly appreciated.

Which term best describes the association between variables a and b

Identify the parent function that can be used to graph the function f(x)=3(x-9)2