Answer:

Step-by-step explanation:
Given:


Substitution can be used to find the value of
:




Hope this helps :)
Answer:
yes
Step-by-step explanation:
The graph is of a function (one output for every input) that also passes the horizontal line test (one input for every output). Hence it is one-to-one.
For a <em>function</em>, the key for it being one-to-one is that it pass the horizontal line test.
<span>The parallel lines extend infinitely in both directions, and the line segment has two endpoints.
</span>
Answer:
<em>Circle 1: </em>37.68 ft
<em>Circle 2: </em>28.26 cm
2.50 - 3.10 - 3.86 + 2.70 - 4.01 =
-6.30
So; the answer is -6.30.