What are all the exact solutions of cos x = - sqrt(3) / 2 on the interval pi < = x < = 2 pi ? give your answer in radians.
a )pi / 6 and 11 pi /6
b ) 5 pi / 6
c ) 7 pi / 6
d ) 5 pi / 6 and 7 pi / 6

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?