The radius of a sphere is 3 units. What is its surface area? Express the answer in terms of pi units2
Recall the formula SA-4 r2.

12
24
36
48

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

Select the correct answer and solve for y

Simplify the given expression leaving the answer in improper fraction form. 2/3+5/6