An artifact was found to have an original amount of Carbon-14 of 12 grams. Approximately how many grams of Carbon-14 remain after 5000 years? Carbon 14 decays at a rate of -0.00012 grams per year.

Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.

98 point question what is the record for most points in one

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.