What polynomial has roots of -6,1, and 4

What is the least common multiple of 16 and 3?

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown below

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