Answer:
It should be 12, assuming that a is a variable.
Step-by-step explanation:
a = 102
a - 90 = ?
102 - 90 = 12
Hope this helps.
Answer:
Write the expression as a – 90.
Substitute 102 in for the variable, a.
Simplify by subtracting 90 from 102
The answer is 12.
Step-by-step explanation:
I've took this lesson already
Hope It helps
