Which number can replace c to make the following quadratic expression a
perfect square trinomial? x^2 + 12x + c*

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

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

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges