Can line y=mx+b go through the origin

Given f (x) = - x - 2, find f (3).

At a movie theater, 360 people can see a particular movie over a period of 3 hours. At this rate, how many people can see this movie over a period of 12 hours?

What is the surface area of a rectangular prism with a length of 6, a width of 8, and a height of 3?

Tony buys 4kg of £1.60 per kilogram and 2kg of onions at £1.80 she pays with a £20 note. how much change does she receive?

What is 6/10 in simplest form

The sum of three numbers is 16. The sum of the first number and the second number is 2 more than the third number. The second number minus the sum of the first number and third number is twice the third number.

Devon Price is a clerk typist. His annual salary is 18,720. What is his biweekly salary?

What is 145,000-83,125?

The owner of Kat Motel wants to develop a time standard for the task of cleaning a cat cage. In a preliminary study, she observed one of her workers perform this task six times, with the following results: Observation 1 2 3 4 5 6 Time (Seconds) 99

How do i explain that y=10/x is not linear