12) 2b+8a
13) 17y^2-22y
14) 9m^2n+7mn^2
15) 11y^2
16) 8x^2y
Answer:
The last three answers.
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
4×2=2in
100÷2=50%
so it is c
Answer:
z=-13/7
Step-by-step explanation:
1. Add 3z(7z+5=-8)
2. Subtract 5(7z=-13)
3. Divide 7(z=-13/7)