Respuesta :

A. If he starts on 1 and goes right 4 spaces he will end up 5 spaces from 0

B. If he starts on 1 and goes left 4 spaces he will be 3 spaces to the left of 0 or -3

C. Either 3 or -3

D. Either 7 or -7

E. -4

A2. -5

B2. 2.5

A3. The distance of -7 from 0 on the number line The absolute value of -7

B3. The distance of 1.8 from 0 on the number line The absolute value of 1.8

I hope this helps