What is the measure of a 13 sided interior angle

8x + 6y = 10 5x - 3y = 2.2 Which statement about the system of equations is true? A) The system has no solutions. B) The system has many solutions. C) The system has exactly 1 solution. D) The system has exactly 2 solutions.

A citys population grew from 500 people in 1960 to 10000 people in 2000. If the population continues to grow exponentially at the same rate, what will it be in 2020

Listed are the distances traveled by four cars and the time it took each car to cover that distance. Identify which cars traveled at the same speed.

if a machine produces 5 parts in 1 minute how many minutes will it take to fill a crate that holds 200 parts

A cashier has only one-dollar bills, quarters, and dimes. List all the ways you could receive $2.50 in change

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.