What happens during a controlled experiment? No observations are made.

A factor called a prediction is changed.

Many variables are changed at once.

The results of changing the independent variable are observed

Which best explains why this triangle is or is not a right triangle?

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)

Charlie tosses five coins. what is the probability that all five coins will land tails up.