From a boat 160 m out at sea, the angle of elevation to the coast is 18°. The angle of
elevation to the top of a lighthouse on the
coast is 22º.
a Draw a diagram representing the
situation.
b Find the height of the lighthouse.​

50 ! pls ! 12.  building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.

a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.

What term makes it inconsistent y=2x - 4

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?