3 lines are shown. One line has points B, A, and E. Line C, A, F intersects that line at point A. A line comes out of point A and goes through point D. Which pair of angles shares ray A F as a common side?

AngleDAF and AngleDAB
AngleEAF and AngleCAE
AngleBAF and AngleEAD
AngleBAF and AngleFAD

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

The formula to determine energy is e=1/2mv2? what is the formula solved for v?