Each week, Juan earns $55 for tutoring plus $15.50 for each additional hour he tutors. His friend, Pablo earns $45 for tutoring plus $17.50 for each additional hour he tutors. Write an expression that represents the total they make altogether after tutoring for t hours. Simplify by combining like terms. (No $ in answer)

The value of a car is $21,000. it loses 11.8% of its value every year. find the approximate monthly decrease in value. round your answer to the nearest tenth.

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

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