Answer:

Step-by-step explanation:
Using the Foil method
you multiply x times x and get
Then you multiply -4 times X and get -4x
Then you multiply -3 times X and get -3x
then you add -4 and -3 together and get -7x
Lastly you multiply -4 and -3 and get 12
And there you have it

Number of servings = 8 1/4 ÷ 3/4
= 33/4 ÷ 3/4
= 33/4 × 4/3 = 11
= 11 servings.
Answer:
88
Step-by-step explanation:
400*0.22 gives the answer
That is the pH scale
pH = - log of the concentration of hydrogen ions in a solution.