What is the y-intercept of the function f(x)=4 - 5x?
A:-5 B:-4 C:4 D:5

If chord ab is congruent to chord cd, then what must be true about ef and eg?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.

How can you find the mean absolute deviation (mad) for this set of data?