20 because of the whole is 40 and the shaded part is by 20 you just take half of 40 and you get 20
It would round to 5 because 4.999 is closer to 5 than a decimal (idk if that's 100%)
Option 2 => 6.4^2
Because area of a square = side *side or side^2
Hope this helps u..!!!
YES IT IS RIGHT.YOU ARE RIGHT
Answer:
[- 4, ∞ )
Step-by-step explanation:
the expression inside the radical must be greater than or equal to zero
x +4 ≥ 0 ⇔ x ≥ - 4
domain: x ∈ [- 4, ∞ )
