Can someone please help me with these 2 questions, please explain them too. :) Im also giving brainliest and this is worth 15 points.

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

Line l passes through points (0,4) and (3,6) what is the slope of a line that is parallel to line l -2/3 -3/2 2/3 3/2

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?