Which is the best estimate of the sum of 5
1
5
and
8
5
6
?

A.
12

B.
13

C.
14

D.
15

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

If 25% of y is 30, what is 60% of y?

Me i'm timed right now! there's 4 answer