What is 2 (-a-8) + 7a

Judah wants to know the height of a jungle gym. If the jungle gym casts a shadow 11.2 yards long and a? nearby monument that is 19.8 yards tall casts a shadow 33.6 yards long, then how tall is the jungle gym?

4 1/5 divided by 1 2/5

Do fish pee, if so how do they?

What equation is parallel to the line 3x+y=5

On field trips, there must be 2 chaperones for every 15 students. Which ratio correctly expresses the ratio of students to chaperones?

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.