Answer: 
<u>Step-by-step explanation:</u>
When you subtract b/2a from both sides, you end up with the Quadratic Formula.
Answer:
A
Step-by-step explanation:
hope this helped
Answer:
m= 15
Step-by-step explanation:

To solve for m, start by moving the constants (numbers that are not attached to any variable) to the other side of the equation.

Simplify:

Multiply both sides by 9:

Crossing out 3 from the denominator and from 9:
m= 5(3)
m= 15
Answer:
6.6 inches
Step-by-step explanation:
4.1 times 3 = 12.3
2.2 times 3 = 6.6
I think this is right... sorry if not