What is the equation of the line of symmetry for the parabola represented by the equation y=−2x2+20x−44?

How to determine whether two known pairs of points are on the same line.

Jonah runs 3/5 miles on sunday and 7/10 mile on monday. he uses the model to find that he can ran a total of 1 mile . what mistake does jonah make

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles