-7c+9=c+1 (subtract c on both sides)
-8c+9=1 (subtract 9 on both sides)
-8c=-8 (divide by -8 on both sides to get c by its self)
c=1
your answer is 1.
Let the unknown number be x.
Given,






x =

= 1.28
Hence, the number is 1.28
Answer:
playing surface=plane
corner of serving box=vertex
baseline=line segment
net=plane
intersection of baseline and side line=vertex
Step-by-step explanation:
what I remember from my geometry course, super sorry if any are wrong