2345
2156
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0189
189 marbles left
Answer:
x^2+29x+210
I hope this helps! I did this through the FOIL method. :)
Answer:

Step-by-step explanation:
Given
The attached triangle
Required
Find x
Considering angle 30 degrees,


Using the tangent formula:

Make x the subject




Answer:
2 triangles ?
Step-by-step explanation:
sorry if i got this wrong, when you cut it through the middle connecting the ends it give you two triangles?
It should be B I know how to do it