The solutions for
is option 3. 
Step-by-step explanation:
Step 1:
First, we must bring the equation to the form of 
So
becomes 
The value of a is the coefficient of the
term, the value of b is the coefficient of x term and c is the coefficient of the constant term.
Comparing the above equation to
we get
and 
We have the formula 
Step 2:
By substituting the known values, we get


This is the third option.
Answer:
x=10
Step-by-step explanation:
let me know if correct
Answer:
77 centigrams = .077 decagrams
Step-by-step explanation:
Because 1 centigram = .001 decagram
The answer is the last option
one half = 
If Mrs. Marina is going to make one half of the recipe, then she needs

Answer: Mrs. Marina needs
of sugar to make one half of recipe.