Answer:
31.7
Step-by-step explanation:
7 · 5.6= 39.2
39.2 - 7.5= 31.7
24 is the answer for(3)=8
15 is the answer for (3)=5
0
It is not permissible for the denominator to be zero, so the "nonpermissible replacement" for x is 0.
