Answer:
89
Step-by-step explanation:
8, 13,
8+13= 21
13+21 =34
21+34=55
34+55=89
X=13; do you need the work? Also for future reference symbolab.com is where I get all my answers.
Answer:
length= 9
width= 3
Step-by-step explanation:
x= width
length = x+6
x+6+x+6+x+x=24
4x+12=24
take 12 from both sides
4x= 12
x=3
