Find the distance between -2-3i and 3+9i

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

What is sin 7x/4 ? i need on this urgent trig

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?