Anyone, please help with these few questions!! 6. Use the picture to find the following angle measures.

9. Write a two -column proof for the following :

Given: angle1 and angle2 form a linear pair and m angle1= 2(m angle2)
Prove : m angle2 =60

10. Write a two-column proof for the following:

Given : AB = CD , AB = 4x + 1, and CD = 6x - 13
Prove: x = 7

225/100 of last years cost. write each fraction as a decimal and as a percent

Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer