What is the complement of the probability of landing on the number 4 when rolling a number cube?

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)