What is the area of a sector with a central angle of 2π9 radians and a radius of 16.7 ft? use 3.14 for π and round your final answer to the nearest hundredth.

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?