How many months have less than 31 days

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

Consider an example of a deck of 52 cards: example set of 52 playing cards: 13 of each suit clubs, diamonds, hearts, and spades ace 2 3 4 5 6 7 8 9 10 jack queen king clubs diamonds hearts spades what is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.