Given: BC ≅ CD and AC bisects ∠BCD Prove: ∆ABC ≅ ∆ADC
Please show work and don't just put random letters like the first time i asked this PLEASE i really need this

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6