Simplify the expression. 6k – 1 + 6k

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?

Identify the number as a regional or irrational.explain. 291.87