Answer:
Substitute in the values of both given coordinates & form 2 equations:

Find the value of B from the equation 2A - B = 1:

Substitute in the B-value to the other equation:

Find the B-value using the equation from before:
Therefore the equation Ax + By = 1 would equal:

Answer:
The area is pie times radius^2
The diameter is 2 times radius
The circumference is 2 times pie times radius or pie times diameter
Step-by-step explanation:
78 gallons is the same as 312 quarts
Answer:
14
Step-by-step explanation:
The percentage change is 6.54%
You have to divide 1800÷1926, then multiply by 100 and you'd get 93.46, then subtract 100-93.46 which equals 6.54% :)