Please answer all questions

or 1-2, use the diagram and information elow. If angles 1 and 2 are opposite ang the quadrilateral, m41=79, and m/2 = (1+4x), what is the value of x? X 10 D Q 5 1. What is the value of x? 6. In the figure above, m/ABC =70 and 2. If mBC =60 and mAD =30, what is AB is tangent to the circle. If mPQ =60 MLBPC? what is mQR? 3. In a circle, what is the difference between a secant line and a tangent line? For 7-9, use the diagram below. 8x + 4 4. Chords AB and BD form an inscribed B angle of 5x degrees. If mAD =70, what is the value of x? 16x + 8 A D 7. What is the measure of ZABC? 8. What is the measure of ZDAB