15 PTS PLEASE HELP! If you can, please provide explanation

Lines CD and CE are tangent to circle a. If m∠DAE = 140°, what is the measure of ∠DCE?

80°

140°

40°

220°

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

3. a sum of $2700 is to be given in the form of 63 prizes. if the prize is of either $100 or $25, find the number of prizes of each type.

Which best describes a central bank's primary goals? limiting inflation and reducing unemployment reducing unemployment and maintaining cash flow controlling stagflation and reducing unemployment managing credit and ensuring the money supply's liquidity