A boy is standing on a roof of a building looking down at a ball that is lying 20 feet away from the building. The boy's line of sight is at an angle of depression of 62 degrees. How high up is the boy?

An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

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