How do I solve 15+(5-x)/x=30

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

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

What is the factor form of x^2-9x+14