Answer:
33 1/3
yea das pretty much it
123
Step-by-step explanation:
s=-2
-15s^2-9(-5+s)
=-15s^2+45-9s
=-15s^2-9s+45
=15(-2)^2-9×(-2)+45
=15×4+18+45
=60+18+45
=123
4500
EF=BC (by CPCT) if both Triangle are ~
