Triangle Theorems I need help

How many zeros does the function f(x)=4x3-x2+1 have

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

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.