D -3m-4n+14. Once you write out the equation, you have to combine all the like terms, also known as simplifiying
The independent variable is:
cold coffee
because: just an educated guess
sorry this is a little hard but i hope this helps
<span>lengths are in ratio 1:3
areas are in ratio
1 : 3</span>²<span> = 1: 9
area of ADG = 9 x 42 = 378 </span>