Number 16 is i believe 54units
Answer:
.7
Step-by-step explanation:
if the second number was over 5 then, you would have rounded it to .8, but it was only 4 so you round down.
Those are the answers for 12,13,14,15
X^2-10x-24=0
(x+2)(x-12)=0
x=-2 or x=12