Answer:
11 cm
Step-by-step explanation:
As Y is midpoint if XZ
XY=YZ=2a+1
WZ=WX+XY+YZ=28
a+1+2a+1+2a+1=28
5a+3= 28
5a=25
a=5
XY=2a+1
=2(5)+1
=10+1
=11 cm
6) yes
7) yes
8)22/33?? Which can be simplified to 2/3
9) 18 times I think
The possible values of x could be -5 and -1 ithink idk
