Jehane had a mark of 39 on a test.
This mark was 60%.
What was the total possible mark?

Jonah runs 3/5 miles on sunday and 7/10 mile on monday. he uses the model to find that he can ran a total of 1 mile . what mistake does jonah make

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?