Mateus created a matrix using the elements below. 211 = 32
212= 10
213 = -9
a21 = 5
222 = 7.5
223=4
a31 = -0.5
2326
a33 - 18
What type of matrix did Mateus create?
a diagonal matrix
a square matrix
a zero matrix
an identity matrix

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign

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.