The number of people, y,at a party that remains after t hours can be modeled by the equation y=.75(.97)^t. What is the decrease rate of people at a party?

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.

This is different from the first one can someone me

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab