Answer:
23%
Step-by-step explanation:
2200×100=220000
4×2400=9600
220000÷9600=22.9
22.9=23%
<
40
f(4) = 3(4²) - 2(4)
= 3(16) - 8
= 48 - 8
= 40
when x=4, f(x) = 40
$78.65
take 200-121.35=78.65
if the length is 8ft and the width is (7+x) then the area would be 56+8x, if x is unknown.
