Answer:
40.5
Step-by-step explanation:
all you do is 2.91 * 10 + 11.40
2.91 * 10 is 29.1
29.1 + 11.40 is 40.5
14
f(x)=-1/3x+13
f(-3)=-1/3(-3)+13
f(-3)=3/3+13
f(-3)=1+13
f(-3)=14
death 12
------------ = ----
disabling 14