Find all the solutions of the equation in the interval 0 2pi) 2sin2x=2+cosx

Each morning papa notes the birds feeding on his bird feeder. so far this month he has see. 59 blue jays, 68 black crows, 12 red robin's and 1 cardinal. what is the probability of a blue jay being the next bird papa sees

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

How do you use the elimination method for this question? explain, because i really want to understand!