Find all values of the variable for which the rational expression is undefined x plus 3 over 5 x squared + 21 x - 20

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

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

100 points? me its important ‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️