Jenna saves $3 for every $13 dollars she earns. vanessa saves $6 for every $16 she earns. is jenna's ratio of money saved to money earned equivalent to vanessa's ratio of money saved to money earned?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1

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