An expression for the balance in an account is given. use a guess, check, and revise strategy to determine the time (in years) necessary for the investment of $800 to double. (revise your answer until it is accurate, rounded to one decimal place.) interest rate: 9% 800(1 + 0.09)t

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

If x+y+z=0 what is the value of [tex] {x}^{3} + {y}^{3} + {z}^{3} [/tex]

Solve for the equation x. 2x + 22 = 4(x + 3)