Joanna joins a cd club. she pays $7 per month plus $10 for each cd that she orders. write an inequality to find how many cds she can purchase in a month if she spends no more than $100. identify what your variable represents.

Taber invested money in an account where interest is compounded every year.he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?