Match each problem with the correct sum or difference
46 - 9
-78 - 36 =
6 + 12 =
-27 + 19 =

18
-114
37
-8

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

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

What is the absolute value of the complex number -4-sqrt2i