What is the surface area of a cone that has a radius of 5 units and a height of 10 units? Use 3.14 for pie and round your answer to the nearest whole number. O 254 units2
O 300 units2
O 314 units2
O 384 units2

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

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