HELP ASAP PLEASEEE
Find the area of each figure.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

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