elena has a shop on etsy where she makes and sells belts and headbands for girls out of fancy ribbon. each set used a total of 1 yard (36 in) of ribbon. she puts this into two pieces so that the length of the first piece divided by the length of the second piece has a ratio of 2 to 3

What statement is true? 2x^2-9x+2=-1

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?

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