Answer:

Step-by-step explanation:
1. Subtract 9 from both sides of the equation:

2. Notice that the coefficient of "x" is 7. Then:

3. Add
to both sides of the equation:

4. Completing the square, you get:

5. To find the solutions, you must square-root both sides of the equation, simplify, and solve for "x". Then, you get:

Answer:
3π=3×3.14 =9.42
7π=7×3.14=21.98
Step-by-step explanation:
so the distance around window , in feet be
3π=3×3.14=9.42
7π=7×3.14=21.98
Answer:
8 cups
Step-by-step explanation:
1 cup is 8 fl oz.
So, 8 cups is 8·8 fl oz = 64 fl oz. That is not the same as ...
128 fl oz = 1 gallon = 16 cups.