A 3x3x3 cube has been cut into smaller cubes by horizontally and vertically slicing through the original cubes. The cubes is dipped in a bucket of red paint. Find the probability of the small cubes each having two sides covered with paint

The total cost c (in dollars) to cater an event with p people is given by the function c(p) = 18p+50. the set-up fee increases by $25. the new total cost t is given by the function t(p) = c(p)+25. describe the transformation of the graph of c to the graph of t.