What is the standard deviation of the following data:
1.0, 1.5, 2.3, 4.5, 5.1, 6.9, 7.4, 8.9?

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months

Which will form a composite function?