Step-by-step explanation:
question:1? 12ft question:2? 6ft question: 3? 2.4ft or 2 2/5 ft question:4? p=9.6m;A=5.76m^2 questions:5?p=2×+20; A=7×+21 question:6? circumference Question:7? c=44mi
A=154mi^2
question:8? c=9.42cm
A=7.065cm^2
question:9? c=2~(×+1)
a=~(×^2+2×+1)
question:10? 2in
question:11? 19m
question:12? 12.5mm
question:13? 7.5ft
question:14? 42ft^2
