-x+3y=6 x+3y =18 elimination

What are the values of each variable in the diagram below?

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte