Step-by-step explanation:
thanks you too merry Christmas
Can’t you just substitute.
-x+4=2x-8
12=3x
4=x
A :) is the correct anwser
PH is calculated by the negative logarithm of the hydrogen concentration in a solution. Therefore, the pH in this case is:
pH = -log (0.0000006)
pH = 6.22
Therefore the correct answer among the choices is the last option, pH of 6 with a color pink.
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
