Answer:
Step-by-step explanation:
a)  Sum of nine and two ⇒ 9 + 2
Four multiplied by (9+2) : Â
    4* (9+2)
[tex]b) \dfrac{(18-6)}{4}[/tex]
[tex]c) \dfrac{45}{3*(3+2)}[/tex]
2) a) Multiply the sum of five and eight by 6
  b) There 5 story books in 6 red bags and 8 art books in 6 blue bags. How many books are there?
3) a) 7*(8-3)
   Multiply the difference of eight and three by 7.
  Â