A school comity is comprised of 1 vice principle, 2 teachers and 3 students. How many different comities can be made if there is a total of 2 vice principals, 5 teachers, and 9 students?

Volume of cylinder with a radius of 8cm and height of 25 cm

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?