My sister is 6 1/2 years old. my brother is 4 3/4 years younger than my sister. how old is my brother? plz

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

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?

Measures of the angle of r, 31 s (x+4) t (3x+9)