It take 36 nails to make 4 chairs how many nails are needed to make 9 cahirs

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks