Which number line represents the solutions to x + 4 = 2? +
+
-6 -5 -4 -3 -2 -1 0
1
2 3
4
5
6
+
+
O
+N
-7 -6 -5 -4
0
1
2 3
4
5
6
+
O
O +
-7-6-5-4-3-2-1
1
2 3
4
5 6
+
+
+
+
-7 -6 -5 -4
-3 -2 -1 0
1
2
3
4 5 6 7

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