Evaluate the expression 4! • 3! 12 30 144 5,040

Based on the calculations, the expression is equal to 144.

Given the following data:

The mathematical symbol '!" simply means factorial and it is used to determine the product of all the positive integers that are less than or equal to a given number. Thus, factorial is calculated by multiplying all the numbers preceding the particular number.

Evaluating the expression, we have:

Expression =

Expression = 144.

Read more on factorial here: link

y = x + 95

y = 42 + 95

y=137 mm hg