36, because the square root of 4 is 2 and the square root of 81 is 9. You multiply those and then double it to get 36.
Area of the cage : A = L * W
A = 3 * 5
A = 15 sq ft....so ur cage is 15 square ft...and they need at least 12 sq ft...so yes, it is big enough
Answer:
Step-by-step explanation
But the question does not say exactly what should be solve for.
Hello!
The answer for #1. is 4 centimeters, because it is the only reasonable answer.
The answer for #2. is 1 millimeter, because the tick is smaller than the penny, which is smaller than any of the other lengths.
I hope this helped :))