Graph the function f(x) = 21(0.5)x.

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

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Do you mind if you guys me with this question i’m on number 8