Please help this is on a test Find the sum of the largest and the smallest of the following four numbers:
5.7 5.07 0.57 0.577

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187

Find the zero function by factoring (try to show work) h(x)=-x^2-6x-9