Answer:
C. b-4
Step-by-step explanation:
The number -4 shouldn't change since she read 4 fewer books
Answer:
Did you ever figured it out?
Step-by-step explanation:
?
Step-by-step explanation:
-4x+1+6-(-9x)
-4x+7-(-9x)
5x+7
Answer:
9
Step-by-step explanation:
the decimal always goes between the numbers that arent 0s