Answer:
In part B the answer is 71.
Step-by-step explanation:
In the 3 lines the 2 uppermost and downer most lines look like they make up a 90 degree angle.. since the first one is 19 all we have to do is 90 - 19 which equals 71. Sorry I do not know the answer to part A :(
Answer:
C. q Superscript 12
Step-by-step explanation:

Your answer is 94/15
if mixed, it’s 6 4/15
The supplement of a 9 degree angle is 171 degrees.
Answer:
2083
Step-by-step explanation:
Every yard is 3 feet so divide 6243 ft by 3 to get your answer

Hope I helped! :)