6. Please help. Nestor is about to write a proof that CD⎯⎯⎯⎯⎯⎯⎯⎯⊥AB⎯⎯⎯⎯⎯⎯⎯.
Which statements are true?

Select all that apply.

3382-299=3383- ? fill in the blank?

Find the perimeter of the figure shown above. a. 40 cm c. 52 cm b. 60 cm d. 75 cm select the best answer from the choices provided

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?