Hello there tiny humans can any you answer this pls for me

Answer:
1) B
2) a. 5x-7 b. 15b + 25 c. 16x^2 + 4x d. 13g -20. e. 6h + 23
Step-by-step explanation:
I’m sorry if any of them are wrong but I believe they’re right, most of it was distribution
Answer:
28. B
29:
A. 5x-7
B. 15b+25
C. 16x^2+4x
D. 13g-20
E. 6h+23
30:
A. Constant = 103, Coefficient= 94, Variable= w
B. Constant= -3, coefficient= 18, variable= x
C. Constant= -7, coefficient = -5, variable = y
D. Constant = 16, coefficient = -24, variable = z
31:
A. x+10
B. 13-9/x
C. 9x+4
D. 4+11x