the sum of a number y and 9 is at least -1
a number r is more than 0 or less than or equal to -8
write the sentences as an inequality, please!

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

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?

Who can me with this algebra for your guys.