A special wedge in the shape of a regular pyramid has a square base of 18.0 mm on a side. The height of the wedge is 30.0 mm. What is the total surface area of the wedge?

Solve the equation by completing the square. x^2+2x=17

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

I’m still confused on how to work the percentages