Anurse worked from 8: 15 am until 11: 30 am and 12: 30 am until 4: 15 pm. estimate the total number of hours worked

Omar is going on a road trip! the car rental company offers him two types of cars. each car has a fixed price, but he also needs to consider the cost of fuel. the first car costs $90 to rent, and because of its fuel consumption rate, there's an additional cost of s0.50 per kilometer driven.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent