Let U = { 1, 2, 3,...}, A = { 1, 2, 3,..., 22}. Use the roster method to find write the set A'.

Which of the following is not a subset of {1,2,3}?

Solve the formula ax+ by = c for x.

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.