A luxury bus has 100 units of seating area. There are two types of seats, Ordinary and First Class. Ordinary seats take up 1unit of seating area and the First Class seats take up 1,5 units of seating area. Form an equality which satisfies this condition and reduces to 2x+3y≤200​

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

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

Traffic on saturday, it took ms. torres 24 minutes to drive 20 miles from her home to her office. during friday's rush hour, it took 75 minutes to drive the same distance. a. what was ms. torres's average speed in miles per hour on saturday? b. what was her average speed in miles per hour on friday?