The diagram shows a sector AOB of a circle with center O and radius 6 cm. The angle of the sector is 310 degree
(a) calculate the total perimeter of the sector
(b) calculate the area of the sector

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 cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)