The value of y varies directly with x. If x= 3, then y= 21. What is the value of xwhen y= 105

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

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.

What are the exclude value of mn+3m