What is the definition of Scalar Matrix
Select the appropriate response:

A) first row = 0
B) All elements are possitive +
C) Elements of diagonal are even
D) Elements of diagonal are equals

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

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

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid