The students in Mr. Smith's class wants to know how old he is. He tells them that the combined age of him and his brother is 63 years and that he 3 years older than his brother. How old is Mr. smith?

Y = x + 2 y = 3x - 4

Find the dimensions of a rectangular prism whose volume is (x^4 - y ^4) units3.

Which expression is equivalent to - 36 - 8-36-8minus, 36, minus, 8?

How many angles does a nonagon have?

A square pyramid has a heighth and a base with side length b. The side lengths of the base increase by 50%. Write a simplified expression that represents the volume of the new pyramid in terms of b and h. An expression is

Apply the law of syllogism to write a new statement based on the following: A → B: If it rains, then football practice will be canceled. B → C: If football practice is canceled, then Patrick will go to the cinema.

If tan 0 = - 3/8 which expression is equivalent to cot0?

How many lines of symmetry does the letter R have?

N//4 = 18/72, what is n

Given a triangle with angles of 23, 90, 67, what type of triangle is it: acute, equiangular, obtuse, or right?