Hi help and you get 100 points

I know all but 14. and 14. but number 10. is -1.89 11. is 1.86 and 12. is 6.24.

Okay so 2+2 = 4

Step-by-step explanation: 349609658959603589657045863408w8024306835+1=349609658959603589657045863408w8024306836

-56

Step-by-step explanation:

=(y)(y)+(y)(−7)+(8)(y)+(8)(−7)+−y2+−y

=y2+−7y+8y+−56+−y2+−y

=y2+−7y+8y+−56+−y2+−y

=(y2+−y2)+(−7y+8y+−y)+(−56)