How can you figure someone age for example
evelyn was 9 when her brother victor was born. which equation tells you how to find evelyn's age if you know victor's age?
e=evelyn's age
v=victor's age
a. e=v+9
b. v=e+9
c. e=v-9
d. e+v=9

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