Answer:
x(-10.5,0)
y.(0,-21)
Step-by-step explanation:
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The correct answer is:
D. 20.4 cm - 16.8 cm (attached)
The triangular prism is similar to the described prism.

Answer:
use socartic for help
Step-by-step explanation:
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Answer:
82
Step-by-step explanation:
f(x) = 5x - 3
g(x) = 2x + 9
f(g(x)) = 5 (2x + 9) - 3 ..... replace x with g(x)
f(g(4)) = 5 * (2 * 4 + 9) -3 = 85 - 3 = 82