Which is an equation of the line with slope -4 and a y-intercept 7

Y=1/-4+7 if your asking for slope intercept form

Water flows along the east coast and across the western tropical pacific towards south america, while they both are directed towards that way,  el niño does not directly affect the southern flow of water along the coast. 

Did you know it's illegal to own only one guinea pig in switzerland?   : )