If zero can be the first digit and the numbers can be repeated, what is the probability Mr. Jones and Mrs. Smith select the same PIN? (Round your answer to 3 decimal places.)

When is a door not really a door?

Which word describes the composition of the inner planets? check all that apply

What is the sum of 4x^2+2x-54x 2 + 2x-54, x, squared, plus, 2, x, minus, 5 and 7x^2-5x+27x 2 - 5x+27, x, squared, minus, 5, x, plus, 2?

What are the limits of human sensory sensitivity?

What's was Art Spiegelman motivation in writing his comics

A scientist studying cold medicines hypothesizes that one particular medicine is more effective than the others in the study. He attempts the experiment several times. Each attempt produces a different result.

Over the last several decades scientists have considered the problem of nonrenewable natural resources, such as fossil fuels. Humans are using fossil fuels at a rapid rate and scientists believe that one day, we will run out of usable fossil fuels.

Explain what it means to say that both the atmosphere and forests are carbon reservoirs. How is carbon transferred back and forth between them?

As a manager of an office Shellie is responsible for hiring and training new staff as well as ensuring that the employees know and understand their jobs. hiring training and having oversight over staff are referred to as shellie's ___. A.

Next to hydrogen and oxygen what are the 2 most abundant elements in ocean water