An angle measures 156 more than the measure of its supplementary angle. What is the measure of each angle?

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.