What is the rate of the isoceles triangle if two of the angles are 81 degrees and 502 degrees, how do you solve the last angle and side?

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Sum is 17 and their difference is 3

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