19+13x=32 plz help A:1 B:3/12/13 C:169. D:663

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

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