What is the area of a square with the side length 3a 1)3a 2)3a squared 3)9a 4)9a squared

the area of a square = length*length =3a*3a=9a^2

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.

45

step-by-step explanation:

to find a percentage, add a decimal in front and multiply it by the other number.

.25 times 180= 45