HELP PLEAS I HAVE TO GET THIS DON The formula for the perimeter of a rectangle is P=2(l+w).
Solve for w.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

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.

Write the factored form of this trinomial 9x^2+18x-7