Please help me find PN​

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

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.