Write 0.7 as a fraction 15. use a calculator to evaluate cach expression. round answers to two decimals (1.125x024) b0.52+(-1.7 ? . (-1..33) d. -5.45+(-0.125 21, 24 is 70% of what number? 22. in a study, 35o women tried a new diet. pounds the first week of the study, how many women in this group lost at least five pounds? if95% ofthe women lost at least five 26. find the point-slope equation of the line perpendicular to the line y- 2x+5 passing through the point (1, 4).