I personally think its 1 due to prior knowledge of this course
A membranophone, it's sort of in the name. A membranophone is any musical instrument that produces sound with a vibrating stretched membrane. An idiophone is somewhat similar and produces sound by vibrating when hit but does not use strings or membranes (the instrument as a whole vibrates).
I would say similar shapes
Answer:
28.2 if it's out of thirty, but 9.4 if it's asking for the average
Explanation:
In order to get the average of all three components you'd have to add all of them up and then divide by the number of components
Example: 9.4+9.4+9.4= 28.2 // 28.2/3=9.4
The Answer is B ribbed arches
