Mary has 6 shells. her friend tina has 3 times more than mary. how many shells do the girls have together?

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.