There are 20 questions on a test. Three points are awarded for a correct answer and -1 for an incorrect answer. If Brian answered 14 questions correctly and 6 incorrectly, what is his score?

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.

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years