I think 6 is the answer. Hopefully I answered your question
Answer:
The first one is -2x^2 - 21x + 4, the second one is -15 (I think, not 100% sure), the third one is 4xyz + 3yz + 5x - 4 (also not 100% on this one)
Answer:
The other sides of triangles are 8.72 in and 8.72 in
Step-by-step explanation:
In a triangle ABC. Please find the attachment for figure.


Side BC=a = 10 in
Using sine law of trigonometry,

Substitute the given value into formula.


Cross multiply and we get

in
It is a isosceles triangle. Therefore, b=c=8.72 in
Hence, The other sides of triangles are 8.72 in and 8.72 in
Answer:
Step-by-step explanation:
You can use Pythagoras Theorem,

∴
Hope that helps!!
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