1. Dana has driven her car 95,598 miles. She estimates she can drive the car another 5000 miles before the mileage reaches 100,000 miles. Use the rules for estimating differences to explain if Dana is correct. Write About It 2. The estimated difference between 432,987 and a number, x, is 100,000. What is the greatest possible value of x? Explain how you got your answer.

Which of the following would be a correct step in proving that triangle abc is congruent to triangle cda? a. use a protractor to measure the angles and show that all the corresponding angles are equal in measure. this will allow you to prove congruence by aaa. b. show that segment ab is parallel to segment cd and segment ad is parallel to segment cb. this will allow you to prove congruency by asa. c. show that is segment ab is perpendicular to segment ad. this will allow you to prove congruence by sas. d. none of the above.

What is the absolute value of the complex number -4- 2 v14 3.15 14 18

Which of the following statements is a true conclusion that can be made from the scaled bargraph?