In a pizza eating contest, darren ate of an 18-inch pizza in of a minute.

what would be his unit rate of pizzas per minute eaten

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !