Answer:
68
Step-by-step explanation:
Multiply the numbers to get the area
Answer:
∠ PQR = 70°
Step-by-step explanation:
The tangent- tangent angle PQR is half the difference of the intercepted arcs.
minor arc PR = 360° - 250° = 110°
Then
∠ PQR = 
(250 - 110)° = × 140° = 70°
Had -9-x^2
———
x^2
adh (-9-x^2)
——————-
x^2
-9adh-adhx^2
———————
x^2
9adh+adhx^2
- ———————
x^2
Hope this helps
The GCF of the three terms (9a, -18b and 21c) is 3
Rewrite each of the terms so 3 is a factor
9a = 3*3a
-18b = -3*6b
21c = 3*7c
So we can say...
9a - 18b + 21c = 3*3a - 3*6b + 3*7c
9a - 18b + 21c = 3(3a - 6b + 7c)
Answer: 3(3a - 6b + 7c)
If you distribute outer 3 to each of the inner terms and multiply, you'll get the original expression again.
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