Respuesta :

seulpinokiogi

Answer:

a. 2

b. 2(9+5) = 28

Step-by-step explanation:

18 = 3 × 3 × 2

or (3 power 2 × 2)

10=2×5

a . GCF = 2

b. factor out 2 out of both 10 and 18 which their sum is 28 and write every thing that is left in the prantheses .