Answer:

Step-by-step explanation:
Combine the opposite terms in r − 3 − r
.
218.16 to the nearest tenth would be 218
Hey! There are 7 sides and 7 vertices on a Heptagon. Hope this helps!
Answer:
Its the 2nd one
Step-by-step explanation: Hope this helps!
Answer 6 hours
Reason
7x + 9.50 = 55
-9.50. -9.50 subtract from both sides
_____________
7x = 45.50
Divide both sides by 7 to isolate x
X = 6.5
So he can rent for 6 hours (the .5 would be charged as a full hour per the problem)