Which of these is not part of an algebraic equation?
a
an inequality sign

b
an expression

c
an equal sign

d
a variable

A

Step-by-step explanation:

It's A because in order to have an equation, you need a equal sign and a variable and an expression is a base of algebra and i see your in middle school and have you ever seen a inequality sign in a algebraic expression?

the answer is 13

step-by-step explanation:

5*5=25

12*12=144

25+144=169

169^2=13