HURRY PLEASE! which expression is equivialent to r^9/r^3 r^3 r^6 r^12 r^27

Step-by-step explanation:

r^(9-3)= r^6

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.