If the tiles are 3/4 inch by 9/16 inch, how many would Noah need to cover the tray completely, without gaps or overlaps? Explain or show your reasoning. Please Help!

Is the square root of 4 plus the square root of 16 rational?

William invested $5000 in an account that earns 3.8% interest, compounded annually. the formula for compound interest is a(t) = p(1 + i)t. how much did william have in the account after 6 years? (apex)

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie