(WILL GIVE BRAINIEST TO BEST ANSWER) What’s the missing angle based on the given angle measures.

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

In the picture below, line pq is parallel to line rs, and the lines are cut by a transversal, line tu. the transversal is not perpendicular to the parallel lines. note: figure is not drawn to scale. which of the following are congruent angles?

How many and of which kind of roots does the equation f(x)=2x^4−9x^3+17x^2−16x+6 have?