Question

What are the constants? 25u + 121 + 18 - 17d
A) 25
B) 12
C) 18.
D) -17

What are the variables? 15x -254 +2
A) 15X
B) 25U
C) 2
D) X
E) U​

Answer 1

Answer:

1. the constant in first question is 18
2. the variable in second question is x

Answer 2

Answer:

C) 18 and B) 121(if it is 121 not 12)

D)x

Step-by-step explanation:

constants are only numbers without letters

ex 18,25,66....

variables are the letters (x, y, z...) in an expression