Please help me on my math so i can get my grades up PLEASE

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

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.