Answer:
146 in
12ft 2in
Step-by-step explanation:
4ft 9 = 4*12+9=48+9=57
3ft 10 = 3*12+10=36+10=46
3ft 7 = 3*12+7=36+7=43
57+46+43=146
146/12 = 12ft remainder 2
we can use formula
(a)
we are given
now, we can plug values
(b)
(c)
72
im pretty sure you just have to do 18*4
C
A and B have initial value of 100 and D is a quadratic equation