Help f(x)=10x+3 g(x)= -7x-4

Ineed asap graph the system of equations 2x+y=5; 14+7y=35

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

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?