Answer:
1. variable: a
2. variable: X
constant: 3
3. variable: f
constant: 5
4. variable: m,n
constant: -3
5. variable: Y
constant: 4
6. variable: x, n
7. variable: y,x,a
8. variable: a,b
9. variable: x,y
10. variable: t, d
Explanation:
Variable- yung letters na nasa expression
Constant- yung numbers na nag iisa lang and walang katabing letters
Coefficient naman yung tawag sa numbers na katabi ng letters.
Hope this help. :))