100 POINTS What is the slope of the line on the graph?

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Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

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

10 points? me . its important ‼️‼️