40 total spins
it landed on H 15 times which equals 15/40
15/40 reduces to 3/8
the answer is C 3/8
It would be 4-15x
sorry if not

So, in the list of numbers, 8 and 9 are solutions
-2x5 is -10 and 6x5 is 30 so wouldn’t the scale factor be 5?
Answer:
㏑(
)
solution
log10 (
steps 
simplify log 10(b7) : 7log10 (b)
= 