Answer:
1.66
Step-by-step explanation:
When you have a percent, to make it a decimal you have to move the decimal point two places to the left.
Answer: What are your options???????...
I think its c. because m-7 is difference and + 15 is increasing
First lets substitute the value of the variable; (t=12)

Now lets solve the equation;

Next cross simplify;

So
9 is the final answer! Hope this helps!