You survey 320 students. 40 students' favorite sport is soccer. About how many students' favorite sport is football at a school of 1,600 students.

W-16=-12 solve each one step equation plz

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?