What is the value of the interquartile range of the data below?
+
10
20
30
40
50
A(6)
B(12)
C(14)
D(24)

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

52 cm radius = diameter = area = circumference = circumfer

Amodel airplane is shot up from a platform 1 foot above the ground with an initial upward velocity of 56 feet per second. the height of the airplane above ground after t seconds is given by the equation , where h is the height of the airplane in feet and t is the time in seconds after it is launched. approximately how long does it take the airplane to reach its maximum height?