Use substitution to solve. 2x2 = 5 + y
4y = -20 + 8x2
Solve the first equation for y and substitute it into the second equation. The resulting equation is

2 x 2 = 5 + y

4-5 =y

y= -1

4(-1)=-20 + 8 x 2

-4= 20+ 16

-4= 36

36+4=0

Ans) 40

77

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.