If i have 456.9 divided by 345 multiplied by 56 what is the answer

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?