Answer:
The answer is 11
Step-by-step explanation:
55÷5= 11
Yes for the first one, yes for the second one, and yes for the third one although your subtraction equation had the wrong year (its not 1847 its 1846) but the answer was right, 65.
A^2+b^2=c^2
a^2+9^2=15^2
a^2+81=225
-81 -81
a^2= 144 (square root both sides)
a=12
Answer: f would be 1 i think
Step-by-step explanation: