In sets of 6 9 12 16 25 32 49 156 64 100 which of the numbers are perfect square​

Acircle has a circumference of 28.36 units what is the diameter of the circle

The acceleration of an object due to gravity is 32 feet per second squared.what is acceleration due to gravity in inches per second squared?

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