Y varies inversely with x. If y= 7 when x= -4, find y when x= -5

Country carpets charges $22 per square yard for carpeting, and an additional installation fee of $100. city carpets charges $25 per square yard for the same carpeting, and an additional installation fee of $70

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55