A)How many vertices does it have? (b) How many edges (lateral edges plus base edges) does it have?
(c)How many faces (lateral faces plus bases) does it have?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?