20% as a fraction in simplest form explain

How many real solutions does the equation have? K^2=-89

A store has 4 locations in large cities, 2 locations in suburbs, and 10 locations outside of the state. One location will be randomly selected for a visit by the owner. Drag and drop the correct value into the box to complete the statement.

So what is the answer to Which is larger? 3.6 km or 3,600 m

In a sixth-grade class, the ratio of boys to girls is 3:2. How many boys and how many girls could there be in this class? Is there more than one possible answer? Explain. How do you solve?

Jamal works as an electrician's apprentice. He rewired 4 electrical outlets in 1 1/2 hours. If he works at the same pace for 7.5 hours, how many outlets will he rewire? 5 outlets 13 outlets 20 outlets 30 outlets

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.