Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $59. the perm costs twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?

Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?

Sketch one cycle if the cosine function y=2cos2theta

What numbers are included in the set of integers? what numbers are not included?