Use the diagram to select all the tree statements listed below. A: C + D + B = 180

B: C + B + A = 180

C: D + B + A = 180

D: A + D

E: 180 - A = D + C

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle

Rob is investigating the effects of font size on the number of words that fit on a page. he changes the font size on an essay and records the number of words on one page of the essay. the table shows his data. which equation represents the approximate line of best fit for data, where x represents font size and y represents the number of words on one page?