Goodies gumballs has a bag with 21 pink gumballs, 14 blue gumballs, and 35 white gumballs. what is the greatest common factor goodies can use to divide the gumballs into equal groups?
a.
14
b.
7
c.
5

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?

Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?