Answer:
4x+9
Step-by-step explanation:
Perimeter=side+side
Therefore, 5+5+x+1+x+1+2x-3
so (10)+(2x+2)+(2x-3)
= 9+4x
Answer:
Step-by-step explanation:
chicken=x+22
cow=x
chicken+cow=98
x+22+x=98
2x+22=98
2x=76
x=38
chicken =x+22=38+22=60
There are 60 chickens
Answer:
E
Step-by-step explanation:
=√9pr / (pr)^-3/2
=3√(pr) × (pr)^3/2
= 3p²r²