Use the method of elimination to solve the system of equations below. 12x + 12y = 60

-24x + 12y = -360

solve for x and y

Which strategy is used by public health to reduce the incidence of food poisoning?

40 points. given: two congruent angles ∠c and ∠r are supplementary. prove: ∠r and ∠c are both right angles. it doesn't have to be exactly 10 rows.statements reasons1. 1. 2. 2. 3. 3. 4. 4. 5. 5. 6. 6. 7. 7. 8. 8. 9. 9. 10. 10.

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.