What is negative twenty-one times the quantity of nine less a number r is ninety

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

What is this inequality notation? t is less then or equal to 2

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.