Graph each function and determine the y-intercept, then use the graph to determine the approximate value of the given expression. y=3^x;3^1.2

Determine the quotient of the following expression. (15n^2-27n) / 3

Three coins are flipped. what is the probability that there will be at least two tails?

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)