Evaluate and reduce:
12 + (12)
Enter the number that belongs in the
green box.
[?]

Anyone know? will mark brainliest if correct

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean