What is the geometric mean og 6 and 13

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

Give the functions f(x) = |x + 2| - 3, what is the domain? a,b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges