What spectral class are the hottest stars on the H-R Diagram? 10610 to the 6th power O O M M 10−4

Mindy bought 5/8 pound of almonds and a 3/4 pound of walnuts.which pair of fraction cannot be used to find how many pounds of nuts she bought in all.

Which expression gives you the distance between the points (5,1)and(9,-6)

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?