Find the product using formula ...

formula = ( a + b ) ( a - b )

a) 1.2 × 2.8

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

If square root x = -7, then x= -49 true or false

20 points for the brainliest? drag each tile to the correct box. not all tiles will be used. arrange the steps to solve the equation . plz