Answer:
Step-by-step explanation:
-16a=-156
a=156/-16
a=-9.75
It’s 11 because -7 + 11 equals to 4.
Hello There!
I'm sure you could write it as:
x² - 4
Where x is the unknown variable.
Hope This Helps You!
Good Luck :)
- Hannah ❤
Answer:
Step-by-step explanation:
p=2(l+w)
206=2(x+y)
206=2x+2y
x=width, y=length
x+9=y
206=2x+2(x+9)
206=2x+2x+18
206=4x+18
x=47
y=47+9
y=56