Perform the indicated operation and simplify the result.

Given:

Solution:

Apply the fraction rule:

Using this rule,

Factor out common term a in first fraction.

Cancel the common factor a.

Apply the multiplication of fraction rule:

Using this rule, we get

Cancel the common factor a.

Therefore,

squares, rhombus, rectangles

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons