Answer:
600cm
Step-by-step explanation:
The length of B times the length on A which goes to B = your answer
21 * (-1) = -21
21 + (-1) = 20
The is 20 characters long
<span><span>x=0,<span>√70</span>,<span>−<span>√70</span></span></span><span>x=0,70,<span>-70</span></span></span><span>x≈0,8.36660026,<span>−<span>8.3666002</span></span></span>
Shii ion even know maybe A
