21-X When David finished his first year of high school, his height was 68-15inches. When he returned to school after the summer, David's height was 70inches.1616How much did David's height increase over the summer?1591568-16O A. 70-+ 68167016В.1615159- 70-1616С. 68-+ 70-D. 68161615681615E. 70-OF.68+ 70-161616Evaluate the expression.David's height increased by over the summer by(Simplify your answer. Type an integer, proper fraction, or mixed number.)

Answered: Image /qna-images/answer/c97d21e0-ee8b-4f9e-aa4f-4d6e0f4eaa27.jpg

15 inches. When he returned to school after the summer, David's height was 70- 9. inches. 16 When David finished his first year of high school, his height was 68- How much did David's height increase over the summer? 9 15 15 O A. 70 + 68 16 70- 68 16 В. 16 16 15 15 D. 68- 16 O C. 68 + 70- - 70 - 16 16 16 15 68 16 9 15 'E. 70 F. 68 + 70 16 16 16 Evaluate the expression. David's height increased by over the summer by