Your friend brings 12 chocolate cupcakes and 12 vanilla cupcakes to school. students will take turns picking a pair of cupcakes at random. what is the probability that the first student will pick 2 vanilla cupcakes?

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?