Answer:
504km/h
Step-by-step explanation:
there are 60 minutes in an hour.
8.4kmx60min= 504km/h
9x - 21 = -42
This should be the type of equation that you're looking 4
Answer:
question 3 would be C. and question 4 would be A.
Step-by-step explanation:
If you're evaluating, then multiply by the conjugate and simplify.
= -1 -i
The answer would be the same even if you divided...and or, wrote it in simplest form.
The 2 because we don't know if it is exactly two or if was was rounded up/ down to 2.