Which are examples of unit rates? say all that apply. 100 students for every 2 buses

1 teacher per 25 students

4 pencils for each student

8 students per team

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?

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 rational or irrational.explai. 291.87