Define like terms. * Use the distributive property to rewrite the following expression. 7(2y + 5) *
Is 3(5n + 1) equivalent to 15n + 1? Explain. *
Christopher states that r^2 + 5r + 3r is an equivalent expression to 9r. Is Christopher correct? Explain. *

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth