Answer:

Step-by-step explanation:
replace x with -1
solve exponents
-1² = -1 × -1 = 1
subtract

Answer:
lakvdhsiysvsbs403735gc sbbsvs s bwhchus
Answer:
9 1/3
Step-by-step explanation:
Answer:
x=5
Step-by-step explanation:
The percent of the book that the chapter makes up is ten percent