Answer:
D. a + 2 = 5
Step-by-step explanation:
apples + 2 more = 5 total
I am pretty sure the answer to this question is letter A. I remember learning this but i dont remember it clearly.
<h2>
Answer:</h2>
The area of the top surface of the washer is: 160.14 square mm.
<h2>
Step-by-step explanation:</h2>
The top of the surface is in the shape of a annulus with a outer radius of 10 mm and a inner radius of 7 mm ( since the diameter of the hole is: 14 mm and we know that the radius is half of the diameter)
Now, we know that the area of the annulus region is given by:

where R is the outer radius and r is the inner radius.
Here we have:

Hence, we have:

Answer:
$16
Step-by-step explanation: I did the math in the comments.
60 because all of the sides are equal