(2.6x7)/2
18.2/2
Area=9.1 m^2
Substitute -3 for x in the expression
f(x)= 53 - 2x
f(-3)= 53 - 2(-3)
multiply -2 * -3
f(-3)= 53 + 6
add
f(-3)= 59
ANSWER: f(-3)= 59
Hope this helps! :)

84.375 is the profit ALREADY made, so now subtract that from 180 dollars to get
95.625 $ needed, now divide by amount of profit per box...
Answer should be
85 boxes
2.41667, you can also find a converter online.
Add like terms
2+4i +7 +11 i =
2+7 + 4i+11i =
9+15i