Answer:
50 triangles?
Step-by-step explanation:
gftjjbddhhbknhfdsdvnmmbghjbfd
Let n = number
9n + 4 = - 77
9n = - 81
n = - 9
Your number is - 9.

so notice above, the circle is centered at h,k or 0,0, the origin, and has a ratio of 5.
and y = 2, is just a horizontal line, check the picture below.
Answer:
12-157.5 13-6ft
Step-by-step explanation:
the first one just look up 65% of 450 and minus the number you get by 450
the second one do the butterfly method

the heights on top and shadows on bottom
12x=72
x=6