What is the value of n in the proportion below? n/28 = 4/7

A-1
B- 12
C- 14
D- 16

Which expression is equivalent to 2^4y^3

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187