Astore owner paid $8.20 each for shirts and sold them for $20.50 each. what was the percent markup?

Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Identify the polynomial. a2b - cd3 a.monomial b.binomial c.trinomial d.four-term polynomial e.five-term polynomial