‼️ NEED HELP PLEASE ‼️ ➡️ INVESTIGATION
Think of a number, call it A. Think of a different
number, call it B: Which of the expressions below
are always the same as each other no matter what
values you choose for A and B?
———-
AB
A + B
B/A
2(A + B)
A/B
BA
A^2 + B^2
B - A
B + A
(A + B)^2
A - B
2A + 2B
———-
I’ll mark brainliest for the answer that might be right…

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

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

Ineed no it anyone can see this