a college student only saves quarters and dimes in her piggy bank. she empties out her piggy bank at the end of each month. this month there are 28 quarters and dimes. the total value of the coins is $4.05. how many quarters and dimes does the college student have?

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.

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x

Determine which postulate or theorem can be used to prove that lmn =nmo