Answer:
4 2/ 7
Step-by-step explanation:
using a = a/1, convert the expression into fraction
5/1 x 6/7 to multiply the fractions, multiply the numerators and denominators separately
5x6/1x7 = 30/7 alternative form 4 2/7, 4.285714
I think it is 9
3×3 is 9 + 15= 24÷4=3×3=9