On a number line, the line segment from Q to S has endpoints Q at -64 and S at -55. Point R partitions the line segment from Q to S in a 7:4 ratio. Find the coordinate of point R.

Which food would provide you with the most calcium?

The graph shows a trend in an ecosystem over time caused by increased pollution in the region. what can you conclude from the graph? a. there’s lower biodiversity among birds. b. there’s a higher reproductive rate among birds. c. there’s a significant decline in the number of producers. d. other types of animals were unaffected by pollution.

In a cooking context,which of the following materials is the best heat conducter?