Please help me with this.

What is the central idea in this advice from branch rickey to jackie robinson?  

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the length of each side of a square increases by 2.5 inches to form a new square with a perimeter of 70 inches. the length of each side of the original square was inches.

Which characteristic is common to memoirs? a. they analyze all sides of a particular issue. b. they give the entire life story of an author. c. they may include fictional characters. d. they are written in first-person point of view.