Simplify each expression.
(204), a=0
1
80
1
2012
1
8g12
1
20
DONE

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Find the values of the variables in the kite

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?