The easiest way to do a problem like this is to think about the fact that you have 100% and you want to add another 85%.
This is 185% of the quantity that you have.
Multiply 250 by 185% or 1.85.
250 * 1.85 = 462.5 ml
Answer:
x is +1
y is-5
Step-by-step explanation:
The slope-intercept form:

m - slope
b - y-intercept
We have m = 2 and b = 3. Substitute:

You mean like the tricuspid and mitral (bicuspid) valves?
The answer to your question is C