If the blue lines are parallel, what is the value of x?

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes

Afigure is rotated 180°. if one of the points on the image is g'(4, -8), what were the coordinates of g? (8,4) (8,-4) (4,8) (4,8)

Find the measure of the missing angle