Given that abcd is a rhombus find the value of (3x+12)

this is just algebra, so you just got to add 3 plus 12 and then add the X at the end cause you don't know it's value.

Step-by-step explanation:

In this case you are multiplying 3 times X so it would stay as 3 and just add 12 = 15 X

Hope I helped.

19.5

Step-by-step explanation:

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.