I'm completely lost. i don't know how to start the question. can you me ?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

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

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4