Please help would be appreciated and the answer shouldnt be too hard. background: The graph below shows the ascent (rise) and descent (fall) of two different airplacws in the vicinity of the city airport.

questions:

1) what is the initial height of Plane A? ___ miles

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.