350 is the solution because the slope is 50meters/1minute
50✖️7=350
Or 250+50+50=350
The Answer is A
Hope this helps
C.I think its C because the 2 power is called square or 4 power.
If simplify it would be -15 + 12i
1.7 is ur answer but im not sure if 17/10 or 7/10 but if it's 7/10 its 0.7