ZA and ZB are vertical angles. If m_A = (4x – 13)° and mZB = (3x + 19)°, then find the measure of ZA.

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

Combine the information in the problem and the chart using the average balance method to solve the problem.