G(x)=-2x2 + 3x - 9
help give brilinest if right sorry spelled wrong but you know what i mean.

Solve: 3x+y=6 4x-2y=18 show all work !

43lbs of tomatos cost $387. how much would 41lbs cost

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