I need help! ASAP

( 6th grade tape charts! )

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path