I'm stuck in this exercise, help me. I will type according to what is written here. The temperature t of a greenhouse (in degrees Celsius) is determined, depending on the time of day, by the expression t = -h² + 22h-85.

a) What is the temperature in that greenhouse at 8 am?
b) What time does the temperature reach 36 ° C?

To solve the letter a, just replace the temperature value instead of x.

To solve the letter a, just replace the temperature value in place of y.

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