Porfavor ayuda no entiendo y un maestro tampoco y el otro pues no tenía tiempo ​

Closing a credit card usually _your debt ratio. a. increasesb. decreasesc. improvesd. has no effect on

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll