Simplify the expression below as much as possible.
(8 + 9i) + (5 - 91) - (8 - 7i)

Graph the equation by plotting point x=2

Which of the following is the true for f(x) = 5cos

40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠c are both right angles. it doesn't have to be exactly 10 rows.statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.