A standard unit of measurement in astronomy is the astronomical unit, or au. it equals is about 150,000,000,000 m. in 2000, pioneer 10 was more than 11 million km from earth. how many aus is this?

Change the fraction into an equivalent fraction with the denominator w2 + w - 20.

Write the formula for a triangle with a height of 2 1/2 and a 13 in base

If a tree grows "a" inches each year, and the total height of a tree is f (n), where n is the number of years, write an equation for f (n)

The following recipe makes 2 dozen chocolate chip cookies 1/2 cup of butter 3/4 cup sugar 1 large egg 1 1/4 cup flour 1 cup chocolate chips 1 tsp vanilla extract If you want to make 12 cookies how much sugar would you need? Justify your answer.

8.5 rounded to nearest tenth

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.