A textbook that weighs 19.6 N is lifted from the floor to a shelf 2.10 m above the floor. What is the potential energy of the book relative to the floor?

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?

Sandy is ordering bread rolls for her party,she wants 3/5 of the rolls to be whole wheat. what other factions can represent part of the rolls that will be whole wheat? shade the models to show your work.

Ihave trouble finding the nth term of a linear sequence