Use substitution to solve the system of equations.
x-2y=1
3x-6y=3

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.

For a sewing project, maria divides 5 yards of fabric into 12 -yard strips. how many strips will maria have for her project?

Awalker is already walking 5km per day and decides to increase this amount by 0.1km per day starting on 1st august. what distance will he be walking on 3rd august? b. is this an arithmetic sequence? explain your reasoning. c. what is the formula for the nth term?