It would take her 45 mins to grade 2 stacks or 3/4 of an hour.
What does that even mean?
Answer:
A.
Step-by-step explanation:
step 1: This is an inverse
step 2: the one over means - substraction
so the answer is A
Answer:
a is the answer
Step-by-step explanation:
just find the square root of 16 which is four
there is no negative so that takes the other two out of it and it can be factored
The answer is the last one