Write a function rule that represents the sentence.
7 less than three fifths of b is a.

1. 7-3/5b=a
2. 3/5a-7=b
3. 7-b=3/5a
4. 3/5b-7=a

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?