A redshift can be described as:

A. A number used to measure a galaxy's size

B. A new galaxy that is forming

C. A galaxy that is moving toward us

D. A galaxy that is moving away from us

One study has reported that the sensitivity of the mammogram as a screening test or detecting breast cancer is 0.88 while the specificity is 0.75. a. what is the probability of a false negative test results b.

The equation of circle A is x2 + y2 + Cx + Dy + E = 0. If the circle is moved horizontally to the left of the y-axis without changing the radius, how are the coefficients C and D affected? C and D are unchanged.

How does the price system respond to surpluses and shortages?

Miki and Vijay were both riding their bikes to Pistachio Pete's Ice cream shop. When Miki was 1000 yards from Pistachio pete's, Vijay was only 600 yards away. suppose that Miki was traveling twice as fast as Vijay. Where Miki met Vijay?

Why is Splitting a thick log so hard?

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?