Answer:
A) -4 over 9
Step-by-step explanation:
We have the fraction the equivalent of this fraction is
Both fractions are the same and equivalent, the negative sign makes the whole fraction negative regardless of whether it is in the numerator or denominator.
300
3x 10 2 power
390 minutes I do believe.
Answer: 390 calls
13/2= 6.5
6.5 x 60 min= 390