What is 0.8x + 0.4y =1.2 in slope intercept form?

Find the area of the triangle shown 3 by 6

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?

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