How is the standard deviation of the sample mean changed when the sample size is increased from?

What is the value of the expression below? 148+(-6)| + |– 35= 7|

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance

The graph of y=x3 is transformed as shown in the graph below. which equation represents the transformed function?