Adiner has booths and counter seating. each booth can seat 4 people. another 15 people can sit at the counter. which expression shows how many customers can be seated in the diner?

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

Let f(x) = 3 − x . find the average rate of change of f(x) from x = a to x = a + h and simplify your answer so that no single factor of h is left in the denominator.

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0)