What is the equation for this and the value of x?

Which equation represents the partial sum of the geometric series?

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.