Abakery used 3 cups of flour to make a full size cake if they wanted to make a cake that was 1/2 the size how many cups of flour would they need

Ineed to know the answer to this algebra question.

Give the functions f(x) = |x + 2| - 3, what is the domain? a, b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2

Find the distance between (7,-6) and (-3,-9)