If cos f° = 4/9 and the measure of XW is 16 units, what is the measure of XY

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Jonah runs 3/5 miles on sunday and 7/10 mile on monday. he uses the model to find that he can ran a total of 1 mile . what mistake does jonah make

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.