Show that the set P = {a₂t² + a₁t + a₀ |a₂+ a₁ = a₀ and a₂, a₁, a₀ ϵ R} is a group under addition

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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.

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth