Answer:
2.75
Step-by-step explanation:
The amplitude is half of the difference between the highest and lowest y-coordinates.
amplitude = 0.5|6.75 - 1.25| = 0.5(5.5) = 2.75

Katrina has read 85% of her book.
Answer:
Add the two volumes
273.32
Step-by-step explanation:
just took this lesson on edgu
Answer:
B
Step-by-step explanation:
The graph is a sine curve but multiplied by -1
Answer:
Alright I think it's Artur, Caleb, Joshua, then Trio.
Step-by-step explanation:
Artur has the highest score when I added and then caleb then joshua then trio had the lowest score wait until someone else answers this time please!!!