B=-4 because the7 turns positive then you add -11+7 which is -4
Answer:

Step-by-step explanation:



16 it's just double the the denominator and the top number
Answer:
Step-by-step explanation:
the answer is 1/4
Answer:
2934.5
Step-by-step explanation:
2934.46692 Rounded to 1 Sig Fig is 2934.5