Identify the missing measures

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?

If two points are given, then exactly one line can be drawn through those two points. which geometry term does the statement represent

The trapezoid below has been enlarged by a scale of 1.5. what is the area of the enlarged trapezoid?