He should use the increase per day option because in this option he will earn 1209 dollars after 10 days and the other option will only give him 1000 dollars after 10 day
Jeff found the ratio of boys to students. He needed to first find that there are 14 girls to get a ratio of 10:14 or 5:7.....answer is the first one
3(x^2- 3)....................