Which algebraic expression represent the verbal expression "5 less than a number"?

n-5

n+5

5n

5-n

Bruce is getting materials for a chemistry experiment his teacher gives him a container that has 0.25 liter of liquid in it.bruce need to use 0.4 of this liquid for the experiment. how much liquid will bruce use?

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Plzzz answer both questions and i will give you 100 points