Answer: d
Step-by-step explanation:
Answer:
1) a. 15ft
b. 6ft
c. 30ft
2) a. 16m
b. 12m
c. 192m
is an arithmetic progression with ratio=4
a1=5
a2=a1+4=5+4=9
a3=a2+4=9+4=13
...............
a n+1 = a n+4
4-3=1
8+9=17
7 x 2= 14