What is the solution of square root 2x+4=16?
A. x=6
B. x=72
C. x=126
D. no solution

A.6

Step-by-step explanation:first you subtract -4 with +4 and same ro the other side 16-4 =12. Then tha t leaves you with 2x=12 , so then you do 12÷2=6 . so x=6

it would open into a square depending on the type of envelope i’m not sure about the second part

[2, 2.5)

(2.5, 3]

step-by-step explanation:

i think its these two not sure [2, 2.5)

(2.5, 3]