For a clinical test, a random sample of 100 subjects was chosen. Assume the population standard deviation of systolic blood pressure is 5.5. Find the margin of error for the 95% confidence level used to estimate the mean systolic blood pressure of the entire population.

plus/minus 83.57468
plus/minus 1.078
plus/minus 3.7214
plus/minus 2.1256

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Read the excerpt from the strange case of dr jekyll and mr. hyde what do dr. jekyll's thoughts reveal about him in this excerpt? [t]he inmates of my house were locked in the most rigorous hours of slumber, and i determined, flushed as i was with hope and triumph, to venture in my new shape as far as to my bedroom. i crossed the yard, wherein the constellations looked down upon me, i could have thought, with wonder, the first creature of that sort that their unsleeping vigilance had yet disclosed to he is jealous of those who can sleep through the night. he is revered for his scientific advances. he is interested in studying the movements of the stars he is proud and enthusiastic about his initial results.