Slope of the vector perpendicular to 4x-8y+3?
a) -3/8
b)-1/2
c)3/4
d)-2

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?

What value of x will make the triangles similar by the sss similarity theorem?

Can someone me and plz do the problem