Can I get help on this please​

Which expression is equivalent to 4 square root 6 divided by 3 root 2

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

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