Answer:

A

Step-by-step explanation:

6/x* 5/(2x+1) = 30/ 2x^2+x

**Answer:**

Contribution

**Step-by-step explanation:**

The verb would be used as:

I like to contribute to discussions.

The noun would be used as:

My contribution to the discussion was alright.

I hope this helped! (Sorry for the dry examples, I couldn't think of anything else)

The circle has equation . The slope of the tangent line to the graph of at some point is the derivative at that point. We can find this using the chain rule:

so that the tangent line to the circle at has slope

Then the tangent line has equation

**Answer:**

its 11/12×4/5=11/15

**Step-by-step explanation:**

hope its helpful