If f(x) =[x] −2 + 8, what is f(−1.8)? 4 6 10 12

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract