PLEASE HELP Given that y varies inversely with the square of x, and that y=20 when x=1/2

(i) find an equation connecting x and y (worth 4 marks)

(ii) determine the value of x when y=1/2 (worth 2 marks)

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?