Someone explain why the answer is B

Answer:
Step-by-step explanation:
ok it is b because nigtive divied by postive will be nigtive so you can eilmate d,a so than you just keep change flip and sorry for my speling :)
Answer:
see explanation
Step-by-step explanation:
- [tex]\frac{x}{2}[/tex] ÷ [tex]\frac{5}{7}[/tex]
• leave the first fraction
• change division to multiplication
• turn the 2nd fraction upside down
= - [tex]\frac{x}{2}[/tex] × [tex]\frac{7}{5}[/tex] ( multiply values on numerators/ denominators )
= - [tex]\frac{x(7)}{5(2)}[/tex]
= - [tex]\frac{7x}{10}[/tex] → B