Answer:
sorry I can only answer no.3

Answer:
The Biden administration is extending a mask mandate for airplanes and transit for 15 days, the Centers for Disease Control and Prevention said Wednesday.
The mandate was set to expire after April 18, following a one-month extension announced in March. Airlines have required masks on planes since early in the pandemic in 2020, but the Biden administration made them mandatory in early 2021.
The CDC said it is monitoring the spread of omicron, including the BA.2 subvariant.
Step-by-step explanation:
23=4 3+4+7 1/2 4/7 8/2
Answer:
B
Step-by-step explanation:
You have to add 7 to both sides to isolate the variable
The discontinuities are x=-4. Because it is a fraction, you cannot divide by zero so if the denominator is set to equal zero, which it will if x=-4, the function will be be undefined
It would take 3 pieces to make 2 1/3 because 2 and 1/3 is more than just 2 alone which would take another piece to get it to 2 1/3