A bag contains the following marbles: 12 black marbles, 8 blue marbles, 16 brown marbles, and 14 green marbles. What is the ratio of black marbles to blue marbles?
Express your ratio as a fraction or with a colon.

Kevin has just finished paying off his loan. he was assessed a service charge of $422. he paid off the principal and the interest by making weekly payments of $36.13 for four years. if the principal was $7,150, how much did kevin pay in finance charges, to the nearest dollar? a. $498 b. $365 c. $422 d. $787

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =

In which form is the following function written? y = - 2(x – 3)(x + 5)