How much simple interest is earned on $4,000 at an interest rate of 2.25% in 4.5 years? Rounded to the nearest cent

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.

20 ! brainliest ! add and simplify your answer.

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?