1.)How far is the star from the sun is astronomical units? 2.) write an expression to calculate d for any star.

How do the graphs of y = 1/x and y=5/x+6 compare?

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?