Answer:
I think 2 but sorry if I'm wrong
Step-by-step explanation:
The polygon is definitely a rectangle, and it could be a square.
Never .. isoscels is unequal. I'm pretty sure
<span>If logc81=2 then c=9
</span>
(a) d=days C=cost
d C
1 30
2 40
3 50
4 60
C=10(d-1)+30
(b) C=10(5-1)+30
C=40+30
C=70
