Given that ba bisects dbc which statements must be true

Two lines parallel to the same plane are parallel to eachother

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

The test scores of 32 students are listed below. construct a boxplot for the data set and include the values of the 5-number summary. 32 37 41 44 46 48 53 55 57 57 59 63 65 66 68 69 70 71 74 74 75 77 78 79 81 82 83 86 89 92 95 99