Agirl wants to count the steps of a moving escalator which is going up if she is going up on it she count 60 steps and she is walking down taking the same time for step then she counts 90 steps how many steps would she have to take in either direction if the escalator were standing still

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.

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25