Answer:
-0.2z
Step-by-step explanation:
0.4z-0.6z
70 cm
42^2 + 56^2 = c^2
1764 + 3136 = c^2
4900 = c^2
70 = c
*
This should be right.
-5
(+5) × (-1) can also be written as (-1) + (-1) + (-1) +(-1) +(-1) which is -5
