I don't understand plz help! Evaluate each expression for g = -7 and h = 3 and match it to its value. 1. gh

2. g2 - h

3. g + h2

4. g + h

5. h - g

6. g - h

-10. 46. 10. 2. -4. -21

Identify the number 127 as a rational or irrational. explain

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?

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