It will be 5 because 4^2+3^2= 16+9=25 and then square root of 25=5
Slope intercept form is y = 2x - 6
8 books with 2 sheets each and 1 extra sheet as leftover
A is your answer
plug in 8 into x and 2 into y
(8-2)^2 = 8^2 - 2(8)(2)+ 2^2
6^2 = 64 - 32 + 4
36 = 68 - 32
36 = 36 True
hope this helps