C) The opposite of the least 2-digit positive integer is what ​

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

When you answer this can you explain

Which expression converts 45 degree to radians