Tim scored 15 points playing a boardwalk game. His next turn he lost 23 points. How many points does Tim have now?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem

If the value of cos330°is√3/2 then find cos 165°.