How many way can 4 people line up out of 20?

Problem: A car salesperson receives a 12% commission of the sales price of the car for each car he sells in addition to his weekly salary of $1,350. Last week he sold a car for $29,999. What was his total paycheck for the week?

If you know that a customer is going to order a sandwich on wheat bread, what is the most likely type of sandwich that customer will order? explain.

What is 13% of 600?

Gabby and Jalen are running for Student Body President. At their school, a total of 250 students vote in the election. Gabby receives 50 more votes than Jalen. If everyone votes only once, how many votes did Gabby receive?

Mr. Hewitt is hoping that Mrs. Reed will buy him a geometrically interesting piece of land on which he will build the most fabulous castle the world has ever seen. Mrs. Reed has said that she will only buy the land if it costs less than $4.

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.