The edge of a cube is 6. A solid is formed whose vertices consists of the four veritices of one face of the cube togther with the center the opposite face. What is the volume of this solid?

Which of the following of the following sets of side lengths could not form a triangle?

Kevin is an insurance salesman. when he sells a policy, he makes 20 percent of the policy premium (p) up front; then each year the policy is active, he receives 15 percent of the original premium. which equation could be used to figure his total commission on a policy that has been active for five years? c=0.80p c=0.20p + 0.15p c=0.35p + 4(0.15) c=0.95p

Which one ? is the answer and how to find this answer