Fill in the blank. If 9/24 =3/x , then x is .

What is the smallest integer n such that n\sqrt{2} is greater than 20

Acabinmaker buys 3.5 liters of oat varnish the varnish cost $4.95 per liter what is the total cost of 3.5 liters

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol