Svetlana’s hair is 3 cm long. her hair grows 1.5 cm per month. svetlana wanted her hair to be less then 18 cm long. write an inequality to determine the number of months svetlana can allow her hair to grow. then, solve the inequality.

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

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

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?