Please help show step by step use statements and reasons

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5