Answer
$8$
Work Step by Step
Solve using PEMDAS (The priority list for solving expressions: Parentheses, exponents, [multiplication, division], [addition, subtraction]. For the operations in the brackets, solve from left to right.) For fractions, the numerator and denominator must both be simplified before division can occur.
$\dfrac{5+12 \div 4}{1^2} = \dfrac{5+12 \div 4}{1} = \dfrac{5+3}{1} = \dfrac{8}{1} = 8$