Answer:
chapter 3,9,10 are quite hard for me
Step-by-step explanation:
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18?
15x.2=3 (20% of 15)
15+3=18
So new bar is 18 cm
Not really sure but I think lol
divide by -91/7 answer is 13
slope=4root5
H^2=b^2+ h^2
(8)^ +(4)^
= 64+16
H^ =80
H= ROOT 80
root(4*4*5)
=4root(5)
