Answer:
the first option is the right answer.
t-v/r = k
t-k = v/r
v = r(t-k)
Hope this helps!
I think a) and c is correct.
It's A.
Step-by-step explanation:
Because whatever goes into the absolute value symbol, it'll turn out positive. And real numbers could only be positive.
C
8i
√-64 = i√64 = 8i
