The line y = mx + 1 intersects the circle x^2 + y^2 – 19x - 51 = 0 at the point P(5, 11). a) Find the coordinates of the point Q where the line meets the curve again.

b) Find the equation of the perpendicular bisector of the line PQ.

c) Find the x-coordinates of the points where this perpendicular bisector intersects the circle.

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2

Statements reasons 1. ab ? cd; ad ? bc 1. given 2. ac ? ac 2. reflexive property 3. ? adc ? ? cba 3. ? 4. ? dac ? ? bca; ? acd ? ? cab 4. cpctc 5. ? dac and ? bca are alt. int. ? s; ? acd and ? cab are alt. int. ? s 5. definition of alternate interior angles 6. ab ? cd; ad ? bc 6. converse of the alternate interior angles theorem 7. abcd is a parallelogram 7. definition of parallelogram what is the missing reason in step 3?