21 x 19 = Please make two ways to get the answer to the problem, whoever does get some points!

In a school 2/3 of the students study a language of those who study a language 2/5 study french

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

Find the amplitude of a sinusoidal function that models this temperature variation