The triangles are similar. what is the value of x?

The area of an extra large circular pizza from gambino's pizzeria is 484 pi cm squared . what is the diameter of an extra large pizza from gambino's pizzeria?

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Which of the following are accepted without proof in a logical system? check all that apply.