Find y when x is - 4 in the formula 5x+5y=9

St. Augustine grass can grow at the rate of 4 over 7 centimeter per week. How many weeks will it take the grass to grow 12 over 7 centimeters?

The seventh-grade class is building target areas for a PE activity. The bases for the game will be circular in shape. The diameter of each circle is 5 feet. Approximately how many square feet of the turf need to be painted for a base circle? Use 3.

The distance for jasons house to school 0.9 kilometers. what is the distance in meters?

Describe a free market economy

if a ice cream cone has a radius of 6 feet and a height of 10 feet what is the volume use 3.14 and round to the nearest cubic foot

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.