Paul is making money during the summber by selling lemonade. He busy all of the supplies for $20 and sells each cup for $0.50. What does the expression below represent?

0.50x - 20

What is a rational number?

A popcorn container is the shape of an inverted cone. It is 9 inches tall, and the circular opening has a diameter of 4 inches. Which equation can be used to find the volume of the container?

A number increased by 3 and then multiplied by 5 is at least - 10. What are the three lowest natural number values this can be?

F (x) = - 12x3 + 19x2 - 5 g (x) = 7x2 + 15

Find the solution of y = 2x + 5 for x = 1

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.