If u have 12 muffins and put 1/4 in bag. how many muffins did u put in bag

How to simply and write the answer n a whole number

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).

What is the probably of getting heads when poing a coin and getting a number greater than or equal to 5 when rolling a single diea) 1/6b) 1/3c) 1/4d) 1/12