Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

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?