Find the area of the shape shown below the bottom has a 8

What is the value of x in the diagram below?

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?