Most people complain that they gain weight during the December holidays. To find out how much, we sample the weights of 17 adults in mid-November and again in early to mid-January. The mean weight change for the sample was a gain of 1.38 lbs., with a standard deviation of the differences of 1.45 lbs. Find a 87% confidence level for the average weight gain.

Which number line represents the solution set for the inequality - x 24?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 10^4 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 10^5 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.