Divide using synthetic division (2x^3+9x^2+3x-6)÷(x+4)

Is -24 a solution to the equation -16+2x=-64

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

The trigonometric ratios sine and secant are reciprocals of each other