Answer:

Step-by-step explanation:
We want to find an expression that is equivalent to
.
Since we can;t get the options, we simplify the given expression.
The reason is that, the given expression will be equivalent to the simplified one.
We combine similar terms to get:

We now expand to get:

We perform the subtraction of the last two terms to get:

We now multiply to get:

The angle formed by the intersection of tangent and secant outside the circle equals half the difference of the <span>intercepted arcs.
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Answer:
178 ERASERS
Step-by-step explanation:
YOU NEED TO START BACKWARDS. HE BOUGHT 76 ERASERS AND HE HAS 193, SO WHATEVER HE HAD AT THE END OF TUESDAY+76 IS HOW MUCH HE HAS ON WEDNESDAY. 193-76=117. ON TUESDAY, HE STARTED WITH ERASERS AT END OF TUESDAY+39 ERASERS. 117+39=156. ON MONDAY, HE STARTED WITH END OF MONDAY+22 ERASERS. 156+22=178
(x - y) • (y + 4)
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1) Yes
2)B. AA
3) The angles are congruent and both are right triangles.
4) 90
5) 60
6) 60
7) 90
9) 4