In △abc, ab=9, bc=12, m∠b=90°, and m∠a=α.

what is sin⁡ α?

Identify the number 127 as a rational or irrational. explain

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total

You draw a card at random from a deck that contains 33 black cards and 77 red cards.