The number 84 is decreased to 78. What is the percentage by which the number was decreased, to the nearest tenth of a percent? - delta math

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?

Given abc find the values of x and y. in your final answer, include all of your calculations.

Acookie manufacturer advertised that every bag of a certain type of cookie contained at least 1000 chocolate chips. a consumer group bought 15 bags of cookies from a variety of locations, dissolved the cookies in water and hand-counted the number of chocolate chips in each bag. the average number of chocolate chips was 1161.6 and the standard deviation 117.6. a26. assuming a normal distribution, a 95% confidence interval for the mean number of cookies in each bag is (a) 1108.37 (b) 1108.13 (c) 1102.09 (d) 1096.86 to 1226.34 to 1214.83 to 1215.07 to 1221.11 (e) 1096.47 to 1226.73