What number increased by 20 equals - 10?

How is the Hindu Arabia system used today?

Evaluate the expression for the given variable. 3-h divided by 4/5; h = 2/3

What is the volume of wax needed for the candle in the shape of a prism?

70 decreased by 80% in math

The monthly fees for single rooms at 5 colleges are $370, $310, $380, $340, and $310 respectively. what is the mean if these monthly fees?

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.