18+6/-4-16 HELP only d part

Answer:
[tex]\frac{1}{2}[/tex] is the answer
Step-by-step explanation:
First we need to substitute X and Y with their respective numbers
[tex]3\cdot \:6+\frac{6}{-4}-\left(-4\right)^2[/tex]
Then, following PEMDAS, We just need to simplify
[tex]18+\frac{6}{-4} -16[/tex]
[tex]16.5-16=0.5=\frac{1}{2}[/tex]