What is the slope of the line through (6, -7) and (4, -8)

A. 1/2
B. -2
C. -1/2
D. 2​

Annie walked her dog 2 1/4 miles from her house to the dog park and 3/7/8 miles around the park.then she walked the same distance home.how many miles did she walk in all?

List the elements of the set in roster notation. (enter empty or ∅ for the empty set.) {x | x is a letter in the word hippopotamus}

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.