If A=30° B=45° C=60° prove that (sinB+secA).cotC/tanC-cosA+cosecB=√ 2/3

Apool measures 12.3 feet by 16.6 feet. if the longer wall of the pool has a diagonal of 17.8 feet, what is the volume of the pool? (round to nearest tenth)

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?