Step-by-step explanation:
For triangle total degree=180°
2x+3x+4x=180
You get x=20°
Hence angles respective are..
40°,60°,80°
Is means =
less than is subtract
1/2a -8=2
if you need to know how to do it let me know
The third one duhhh, Ik this stuff
-6d > 42
d < 42 / (-6)
d < -7
