It would take her 45 mins to grade 2 stacks or 3/4 of an hour.
Answer:
x=2
Step-by-step explanation:
200
5 x ^2 + 20 x + 12
not factorable
Too much money
Potential energy= mass x gravity x height
0.25x9.8x3=7.35 N
hope that answers your question
