Answer:
B
Step-by-step explanation:
The correct formula given is:

We need to solve for y. First, we isolate the "y" term:

Now, there's a "B" with y, to isolate the "y", we need to divide both sides by "B" and get "y":

Answer choice B is right.
I dont know what this is sorry i could not help you
Answer:
1
Step-by-step explanation:
because i said so
Percent means parts out of 100
125%=125/100=1.25
'of' menas multily
'is' means equals
137.5 is 125% of what
137.5=1.25 times what
divide both sides by 1.25
108=what
the number is 108
Answer:
<em>r=6</em>
Step-by-step explanation:
<u>Proportions
</u>
We know M is directly proportional to 
This can be written as

Where k is the constant of proportionality which will be determined knowing that when r = 4, M= 160. Substituting in the equation above:


Solving for k:

The equation is:

Now find r when M=540:

Dividing by 2.5:

Taking cube roots:
![r=\sqrt[3]{216}](https://tex.z-dn.net/?f=r%3D%5Csqrt%5B3%5D%7B216%7D)
r=6