Ok can someone help meee

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?