What does it mean when it says find f(9) given that f(x)= x^2+10

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

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

What is the circumference of a circle with an area of 50.24 cm²?