Which interval notation represents the set of all numbers from -6 to 1, not inclusive

What is an alternate exterior angle

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.