6to the power of 2 add y to the power of 2 is r to the power of 2. what is r and y?

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

What is the standard form of -5x^2+2x^4-11+x^3+3x

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