How do I determine Equivalent unit of production with FIFO

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

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

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?