The answer is 6 centimeters
Answer:

Step-by-step explanation:
Division property of equality- is dividing both sides of an equation by the same non-zero number it does not change the equation.
First you had to divide by six from both sides of an equation form.







Final answer: 
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-Charlie
Answer:
7
Step-by-step explanation:
The standard form of a quadratic equation is
y = ax² + bx + c where a ≠ 1
c is the number without a variable
Month 1
Sister 1; 60/ Sister 2; 60
Month 2
Sister 1; 80/ Sister 2; 60
Month 3
Sister 1; 100/ Sister 2; 100
On month 3 the should both have $100 in their accounts.