This is a 30-60-90 triangle . What is the measure of x? 3.8 X x=[ ?] sqrt [ ]

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

If chord ab is congruent to chord cd, then what must be true about ef and eg?