If rectangle B(6, -6), AC-3, -6), R(-3, 11), N(6,11) is rotated 90°, find the length of line segment AR.

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem

When a number is decreased by 9.9% the result is 40. what is the original number to the nearest tenth? super urgent