Identify each pair of congruent vertical angles. Please help! I’ll give out brainliest to whoever answers first and correctly !! :)

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

(mc 02.03) what set of reflections and rotations would carry rectangle abcd onto itself? reflect over the y-axis, reflect over the x-axis, rotate 180° rotate 180°, reflect over the x-axis, reflect over the line y=x reflect over the x-axis, rotate 180°, reflect over the x-axis rotate 180, reflect over the y-axis, reflect over the line y=x

Recall that two angles are complementary if the sum of their measures is? 90°. find the measures of two complementary angles if one angle is twenty dash nine times the other angle.