Acowboy rode his horse 45 miles at 15 and then rode another 35 miles at 10 . how long did the ride last? 6 h 6.5 h 60 h 65 h

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Which is the graph of this function 3 square root of x plus one if

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.