A team of biologist tagged and then released 72 salmon in lake Ontario, Canada. Later they captured a sample of salmon from the same area around 20% of them had tags. estimate the number of salmon in the lake round to the nearest whole number

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.

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?