Survey Test 2-4 Clocks, Bases, Binary Op, Math Systm

In Clock 9, find: 8 + (6 + 6)

In Clock 7, find: (3 + 6) + 2

In Clock 10, find: 6 - 8

Convert 113402₅ to base 10

Convert 6331₈ to base 10.

Convert 95 to base 3.

If  $j\nabla k\ =\ 7j^2-2k$  , what is the value of   $6\nabla0$  ?

If  $x@y\ =\ \frac{\text{-4x+y}}{\text{6}}$ , what is the value of  11@2 ?

Find  $8\beta5$   if

 $g\beta h\ =\ \frac{g^2}{h^2+7}$