HELPPP ME PLEASE im going to have a panick attack The depth of a river changes after a heavy rainstorm. Its depth, in feet, is modeled as a function of time in hours. Consider this graph of the function.
What is the average rate of change for the depth of the river, measured as feet per hour, between hour 9 and hour 18? Show your work.

Match each expression with its simplified form.

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?