A lottery sells 1000 tickets at $1 apiece. There is one winner who receives $100, and 5 second place winners who receive $50 each. What is the expected value of a ticket?

Is popping popcorn a physical or chemical change? How can you tell

Why is it important to write out clear step by step instructions as you perform a experiment

Tickets for play cost $3 for children and $10 for adults a group of 25 people paid a total of 201 for tickets to the play. How many children were in the group

An object weighing 80 kg is floating in a fluid. How does the object's density compare to the the density of the fluid? Not enough information is given. The object is less dense than the fluid. The object has the same density as the fluid.

It is illegal to hace _ emergenci lights on you chicle

How do you survive high school

Can we know if we have a soul? What about other people or animals?

Many things happen when rain falls down. Explain what happens to rain as it falls on the surface of: concrete, water, and a slanted/sloped roof. Now, thing about an extra long rainy season.

A slow directional shift of the earth' axis that required 260.000! years to complete called

Mrs. Brown has 5 daughters. Each of these daughters has a brother. How many children does Mrs. Brown have?