A satellite has an elliptical orbit with the earth at one focus. Which statement is true about the satellite's speed at point a and point b?.

Land is to arable ; river is a, navigable b, shallow c, presumsor d, water

On a test the graders have a mean of 77 and a standard deviation of 8. if we can approximate the distribution of these graders by a number distribution what percent of the students. a) scores higher than 77? b) should pass the test (grades > 60)? c) should fail the test (grades < 60)?

Jessica's friend tyshaun found an account that earns 2.5 percent interest compounded annually. tyshaun made an initial deposit of $100 into this account at the same time jessica made a deposit of $100 into her account. after 10 years, how much more money will tyshaun's initial deposit have earned than jessica's initial deposit? (round your answer to the nearest cent and ignore the dollar sign when gridding your response.)