Write an equation of a line in slope-intercept form that passes through the points (4,-7) and (1,2) I will give brainliest if you show the work :)

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

Can someone me with this problem i don't understand i need

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.