Y is an integer.
Write down all the solutions of the inequality. -8 < 2y < 0

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

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?