Sum of the first 25 terms of the arithmetic sequence 4,10,16,22

Angle mno is s rotated 180 degrees counterclockwise about the origin to form angle m’n’o’. which statement shows the measure of angle m’n’o’?

Why is x= 4 a solution to the proportion 14/x 56/1 6

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?