Prove that (secΘ + cotΘcscΘ) / cosΘ = csc^2Θ sec^2Θ. in a test and need response quickly if possible

Hey am have account in but wished to create an account here you guys will me with my make new friends of uk !

Cal's go cart has a gas tank with the dimensions shown below. he uses a gas can that holds 11 gallon of gas, to fill the go cart tank. 11 gallon = 231 inches^3 how many full gas cans will it take to fill the go cart's gas tank?

The bolo cavern outside of vandalia is 421 ft below sea level. a little more than75 miles away. mt owens is 7295 feet above sea level. what is the difference in elevation between the bolo cavern and mt owens?