Answer:
9 years
Step-by-step explanation:
Answer:
Prime
Step-by-step explanation:
- As there is no common between 5y and 7 except 1 as factor.
- Hence its not factorable
Answer:
XY is a tangent
Step-by-step explanation:
Given



Required
Is XY a tangent?
XY is a tangent if:

Because XY should make a right angle at point X with the circle
Where

So, we have:




This gives:



<em>Yes, XY is a tangent</em>
I believe the answer is ab