A rescue helicopter, flying at a height of 150 feet above the water, approaches an overturned boat and a swimmer. From the helicopter's point of view, the angle of
depression to the swimmer is 30 degrees and the angle of depression of the boat is
25 degrees. How far is the swimmer from the boat?

Aregular hexagon has sides of 2 feet. what is the area of the hexagon? 12 ft2 12 ft2 24 ft2 6 ft2

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Abby is collecting rainfall data. she finds that one value of the data set is a high-value outlier. which statement must be true? abby will use a different formula for calculating the standard deviation. the outlier will increase the standard deviation of the data set. the spread of the graph of the data will not change. abby will not use the mean when calculating the standard deviation.