A teacher grades 27 students' essays in 3 hours. How many essays can she grade in 8 hours if she spends the same amount of time grading each essay?

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.

Use the rule of 72 to calculate how long it will take for your money to double if its earning 6% in interest. a. 12yrs b. 16yrs c. 36yrs d. 72yrs

The arid climate region is labeled with the letter on the map above. a) b.. b) c .. c) e .. d) f.