originally a rectangle was twice as long as it was wide. when 4m were added to its length and 3m were added to it's width. the resulting rectangle had an area of 600 meters squared. Find the dimensions of the new rectangle.

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

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