SOMEONE PLEASE HELP ME!! ILL GIVE 14 POINTS JUST NEED HELP WTIH FINDING THE RATE OF DEPRECIATION

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

Which compound inequality could be represented by the graph?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of