Plz help solve this. i need the answer asap

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Does the point (1, sqrt 7) lie on circle shown.

In the given triangle, ∠aed ∼ ∠ abc, ad = 6.9, ae = 7.2, de = 5.2, and bc = 10.2. find the measure of bd and ce. round your answer to the nearest tenth.