This equation cannot be solved to get a single number. Instead just use normal algebra skills to get the w by itself by subtracting 2l from both sides and then dividing by 2.
B and d
The answer is B
Hope it helped
Just doing this to get points... :(
Answer: 
Step-by-step explanation:
The midline of the function is

This means that to obtain a maximum of 10, when
reaches it's maximum, 1, 
<span>-Calculations may lead to long decimals, but money is in dollars and cents.
-Looks neater</span>