Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

What does an Island and the letter T have in common?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

By using all numbers, i.e. 123456789 and subtraction/addition, operators number 100 can be formed in many ways.
Example: 98 + 7 + 6 - 5 - 4 - 3 + 2 - 1 = 100

But if we add a condition use of the number 32 is a must. Then there are limited solutions.
One of such solution is: 9 - 8 + 76 + 54 - 32 + 1 = 100

Can you tell me any other solution?

Before Mount Everest was discovered, what was the highest mountain in the world?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?