Water from a hose is sprayed on a fire burning at a height of 10 m up the side of a wall. if the function h(x) = -0.15t^2 + 3x, where x is the horizontal distance from the fire, in metres, models the height of the water, h(x), also in metres. how far back does the firefighter have to stand in order to put out the fire?

How do i get the answer for 2/3 * 10/3

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?