Answer:
d forms a proportion
Step-by-step explanation:
3x5=15,4×5=20
so they both increase protionally
therefore they are protional
$8.8
Your answer should be AC=2DF=34
increase percent=12%
hom much increase
500 of 12%
500×12/100=60
new value=500+60
new value=560
top right is nonlinnear