Identify the focus and directrix of each parabola:

8y=x^2−2x+9

Are the corresponding angles congruent? explain why or why not.

One astronomical unit (1 au) is about 1.496 alt tag missing. kilometers. if you wrote this number of kilometers in regular decimal notation (for example, 528 and 3,459 are written in regular decimal notation), how many zeros would your number have?

Which expression is equal to (f+g)(x)?