Explain why this works .

2 4 8 16 32 64 128

Which shows the image of rectangle abcd after the rotation (x, y) → (–y, x)?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

Spencer has 1/3 pound of nuts he divides them equally into 4 bags what fraction of a pound of nuts is in each bag