It is 18 because the radius is half the diameter and 9 x 2 = 18.
Here's a formula to slove ur problem
√(x₁-x₂) +(y₁-y₂)
=√(38-14) +(30-20)
=√24+10
=√34
Answer:

Given:

Step-by-step explanation:
Property used: <em>An exterior angle of a triangle is equal to the sum of the opposite int</em><em>e</em><em>rior angles.</em>
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Answer:
D
Step-by-step explanation:
if y is 4 then x is -12 Because 4 times -3 is -12
Look at the picture below!!
If this helped mark me brainliest pls!!