The answer is 15
these chords are congruent because the radius of the circle are perpendicular to the them
so we can find EF by making an equation:

so EF is = 3(15)+5=50
good luck
N - 7 = 9 if you want it written in equation form
Answer: 
Explanation:
Multiplying by 1/2 is the same as dividing by 2.
For example, if you have 10 slices of cake and 2 friends, then each friend gets 10/2 = 5 slices. We could also say 
The fraction 1/2 converts to the decimal form 0.5, which means 
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Deffense [45]
Hi I figured it out for you all you need to do is plug in the X factor .number 3 is y=-1
1/48
Since there is only 1 page labeled “3,” the probability of picking page 3 is 1/48.