A sheet of stickers has 60 total stickers on it. Some of the stickers are donuts and some are ice cream cones. There are 9 donut stickers for every 3 ice cream cone stickers. How many of the stickers are donut stickers?

I REALLY need help yall. If you answer pls give an explanation, thanks :)

On a piece of paper graph f(x)=5•(0.4)^x

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

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