You have 4 white marbles and 5 black marbles. What would be the ratio for pulling out a black marble from the bag? 5:4 or 5:9?

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

Does the point (1, sqrt 7) lie on circle shown.

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !