Length of one edge is 10cm
And the surface area is 600cm2
B is the answer because 2times2/5 is 2/5 and 2times2 is for so B IS THE ANSWER!
First, do 110-30 (You'll get 90). Then, divide 90 by 2 (You'll have 45). Finally, take 45 from 350. Your final answer should be 305.
Job B because every year he gets a $2800 every year and if he continues for 5 years he will get a total of $14000 but if he works at job A he gets $5000 after 5 years