Help please I need this done

1/3(x-10)=-4 solve for x with steps

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.