Suppose that y varies inversely with x. write an equation for the inverse variation. y =4 when x =7

Why do interests rates on loans to be lower in a weak economy than in a strong one

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?