What volume error (in ml, round to the nearest tenth) would occur in the measuring of 4 ml of a liquid ingredient if the improperly calibrated measuring device created a 12 % error in all measurements?

What is the square root of 45? (step by step working plz)

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

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