Find out minimum non-negative real values of a, b and c given that the equation x+ ax3+bx2 + cx +1 0 has real roots.

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

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

In a column proof the right column states your reasons