100PTS AND BRAINLIEST PLEASE HELP Reflect ΔECD over segment AC. This establishes that _. Then, translate point E' to point A. This establishes that _. Therefore, ΔACB ~ ΔECD by the AA similarity postulate.

a- ∠ABC ≅ ∠E'D'C'; ∠E'D'C' ≅ ∠ABC
b- ∠ACB ≅ ∠E'C'D'; ∠D'E'C' ≅ ∠BAC
c- ∠ACB ≅ ∠E'C'D'; ∠E'D'C' ≅ ∠ABC
d- ∠ABC ≅ ∠E'D'C'; ∠D'E'C' ≅ ∠BAC

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

Anyone know these questions? i need ,.