On monday, stock xyz opened at $4.53. on friday, it closed at $4.06. what is the rate of change of stock xyz for this particular week? a -10.4% b -4.5% c -4.6 d -4.7

Answer for 2: his profit would be $2.88 explanation: you have to first multiply 72 and 0.12 together to get $8.64 once you do that you know how much money the shopkeeper made from selling the candy bars individually. so you have to do 8.64-5.76=2.88 hope that ; )answer for 3: yeah i’m sorry i have no idea what number 3 is. i’m sorry i couldn’t with that.