266.4 - 8.5 - 24 will give you the answer of 233.9
2(z-10)=-4
2z-20=-4
2z=16
z=8
Answer:
The last choice: log 25 Over log 8
Step-by-step explanation:
Because the change of base formula says:
log (subscript 8) of 25 = log (25) / log (8)
let log be the Common Log without subscripts
