Answer:
3_5/6 hours
Step-by-step explanation:
<u>2_ 1/3 = 2_ 4/12</u>
<u>1_3/4 = 1_6/12</u>
2_4/12 + 1_6/12 = 3_10/12
3_10/12 = 3_5/6
The value of a is D)73 I think because 180-107 since a straight line is 180 u just subtract the angle from it. hope this helps.
791.28
1. 3.14*9²=254.34
2. 3.14*9*19=536.94
3. 536.94+254.34=791.28
