The surface area of a cone is 830 square centimeters. What is the surface area of a similar cone that is smaller by a scale factor of 2/5?

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

Me. i can't figure out this question. give an explanation too. .

What are the domain and range of the function f(x)=2^x+1