Triangle ABC is dilated using D as the center of dilation with scale factor 2. The image is triangle A′B′C′. Clare says the two triangles are congruent, because their angle measures are the same. Do you agree? Explain how you know.

Which pair of lines is parallel? a. y=4x+1 and y+4=5 b. y=-2+x and 2y-2x=-2 c. y=1/4x + 2 and y-2=1/2x d. y=1/5x+1 and 5y+x= 10

Abaker makes 186 cookies. some are chocolate chip and some are oatmeal raisin, and both kinds are made with and without nuts, as shown in the table above. because they are more popular, the baker made 2/3 of the cookies chocolate chip. if a chocolate chip cookie is chosen at random, what is the probability that it will have nuts? a) 21/93 b) 21/62 c) 41/93 d) 21/41

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?