A solid iron sphere of diameter 42cm is dropped into a cylindrical drum partly filled with water. if the radius of drum is 1.4 m by how much will the surface of the water be raised?

answer: median

step-by-step explanation:

the median is the middle value when a data set is ordered from least to greatest

a

step-by-step explanation:

jjddbdhid r

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)