Step-by-step explanation:
let three consecutive number be x, x+1,x+2
now,
x+x+1+x+2=63
3x=63-3
x=60/3
x=20
x+1=20+1=21
x+2=20+2=22
so, the number r 20,21,22
Answer:
it is 25 ft
you just add 7.7+7.7+4.8+4.8 to get 25
The answer is 8 - 4i
you collect the like terms