Let set a = {1, 3, 5, 7} and set b = {1, 2, 3, 4, 5, 6, 7, 8}.
which notation shows the relationship between set a and set b?
a ∪ b
a ⊆ b
a ∩ b
b ⊆ a

△abc is similar to △xyz. also, side ab measures 6 cm, side bc measures 18 cm, and side xy measures 12 cm. what is the measure of side yz ? enter your answer in the box.

What are the triple angle formulas? is it related to double angle identities?

Acafeteria manager can choose from among six side dishes for the lunch menu: applesauce, broccoli, corn, dumplings, egg rolls, or french fries. he used a computer program to randomly select three dishes for monday's lunch. what is the theoretical probability the applesauce and broccoli will both be offered monday?