75 - (45 + 25) = ?
Class intervals / Frequency
15-25. 6
25-35. 11
35-45 . 7
45-55. 4
55-65. 4
65-75. 2
75-85 . 1
5 + 15 + 25 + 35 + 45 + 55 + 65 + 75 + 85 + 95 = ___
In the figure, AB || DC, ∠BCE = 80o, & ∠BAC = 25o. Find ∠CBD, ∠ADC.