Which answer is closest to teh value of X?? show your work! (DON'T USE A CALCULATOR!!!)

5x^{2} + 2 = 242

A. 6.89

B. 7.54

C. 6.32

D. 6.49

In the 30-60-90 triangle below side s has a length of and side r has a length

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.

Bc and bd are opposite rays. all of the following are true except a)a,b,c,d are collinear b)a,b,c,d are coplanar c)bc=bd d)b is between c and d