Will give brainliest* If 95.5% of a number, x, is 19.1, what is the value of x?

i need a step by step answer please,.. i dont understand this​

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

17. a researcher measures three variables, x, y, and z for each individual in a sample of n = 20. the pearson correlations for this sample are rxy = 0.6, rxz = 0.4, and ryz = 0.7. a. find the partial correlation between x and y, holding z constant. b. find the partial correlation between x and z, holding y constant. (hint: simply switch the labels for the variables y and z to correspond with the labels in the equation.) gravetter, frederick j. statistics for the behavioral sciences (p. 526). cengage learning. kindle edition.

How to use order of operation in 20 divide by 4 multiply 5 = 1