What is the domain of the function f (x) = 2x+5?

A cell phone plan charges $15 per month for 300 text messages. The plan charges $0.08 for each additional text message. You use 60 additional texts this month. What is your bill for the month?

Mr. Andrews has a classroom of 45 students. He wants to divide them equally into 5 teams for a group project. How many students will be on each team? what the answer

How can you use the ratio 27 to 30 to find 10 percent?

Jeremy has 18 marbles. he loses 6 of them what fraction of the marbles does he lose what fraction of the marbles does he have left?

Find a polar equation for the curve represented by the given cartesian equation:a) 2x-2y=3

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.