Answer:
v = 15/7, or 2.14
Step-by-step explanation:
Find a common denominator, or multiply both denominators by each other, and well as the numerator.
v/5 = 3/7 can be written as 7v/35 = 15/35
multiplying both sides with 35, we are left with 7v = 15
v = 15/7, or 2.14
Answer:

Step-by-step explanation:
we know that
The circumference of a circle is equal to

we have
<em>Circle X</em>


<em>Circle Y</em>

Find the radius ry
we know that

substitute the value of Cy


Remember that the value of rx is 
substitute

D is the answer
Both angles are interior and they also are alternate