Agrocery store advertises 4 pounds of apples for $6.00.a. what is the cost for 3 pounds of apples? b. what is the cost for 1 pound of apples? c. how many pounds of apples can you purchase with $40.00?

Me because some of question i don’t understand

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

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