The answer for this is -1x.
Answer:
You are 89 years old.
Step-by-step explanation:
First I subtracted 322 from 500 which got me 178. Then I finally did 178 divided by 2 which got me 89.
Hope this helps you! :)
Answer:
y = 28 - x
Step-by-step explanation:
The variable x represents how many buttons Paula had before giving 28 away and the variable y represents how many buttons she has now.
Answer:
12.57 km
Step-by-step explanation:
Radius = 4 / 2 = 2 km
Circumference = 2πr = 2π(2) = 4π = 12.57 km