Find the value of 100-98+96-94+92-90+...+8-6+4-2

Which is the graph of the function y=2(4)^x

Can (2,3 and square root 10) be sides ona right triangle?

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.