Sent you a pic of the solution to your problem.
Answer:
1 7/12
Step-by-step explanation:
Just subtract the fractions if you cant do it by head or paper use a calc so 5 3/4 - 4 1/6= 1 7/12 samuels dad is 1 7/12 taller than samuel.
11.9 would be the correct answer I believe
Answer:
I <em>believe </em>it would be 4:7 books (the 4 new ones : the 7 older books).
Hope this helps!
No solution for the quadratic equation because of the √-20