Find an equation of the line parallel to the line y=5 and passing through -2,-3

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.

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

Which expression is rational? 6. , square root two, square root 14, square root 49