Using Only Five 5's and any mathematical operator make sum as 37

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

In the image below, can you find the value of an angle(y)

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?