Plz explain me this
a box contains sweets of 6 different flavours. there are atleast 2 sweets of each flavour. a girl selects 3 sweets from the box. given that these 3 sweets are not all of the same flavour, calculate the number of different ways she can select her 3 sweets.

He concluded that a heavier object dropped from the same height as a lighter object will land

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m

Using elimination, what is -4x+2y=-12 4x+8y=-24