Public communication because one person is talking to an audience, and it's not big enough to be mass communication. And it's not group because that consists of three or more communicating a shared goal. Also isn't it because interpersonal is a talking between two people.
Answer:
1/7 - 4
1/7 -28/7

Step-by-step explanation:
Answer:
The height of the cone is 10.9 cm
Step-by-step explanation:
step 1
Find the height of the cone
Applying the Pythagoras Theorem





therefore
The height of the cone is 10.9 cm
Answer:
(4x-5)(4x+5)
Step-by-step explanation:
16x^2 - 25
Rewriting
(4x)^2 - 5^2
We recognize that this is the difference of squares
a^2 - b^2 = (a-b) (a+b)
(4x)^2 - 5^2 = (4x-5)(4x+5)
Answer:yes
Step-by-step explanation: