What is 5/6 times -8/15 in simplest form just the simplest form answer

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

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