What’s the first 1st term in the sequence given by : t(n)=n^2-4 pls

First term = T(1) is obtained by plugging  n = 1 into the formula,

thus First term = 1^2 - 4 = 1 - 4

= 3    (answer)

the highest percentage for deaths in construction from highest to lowest is as follows: falls, struck by objects, electrocution, and caught-in/between. these four are collectively known as fatal four.

in the case of falls, the type that is responsible for the overall highest death in the category is falls from roofs.

x = 3 ± √(5+y)