Evaluate the expression for a = 3, b = 1/2 , and c = 48ab2bc

An unknown number of kids and buses are getting assigned. when assigning 4 kids to each bus, there are 2 kids that aren't placed in a bus. when assigning 8 kids to each bus, there are 2 empty buses. how many total kids are there?

How many zeros does the function f(x)=4x3-x2+1 have

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