Which sum or difference is modeled by the algebra tiles?
(x2 + x) - (x2-3x - 1) = -2x - 1
(x2 + x) -(-x2 + 3x + 1) = -2x - 1
(-x2 + x) + (-x2 + 3x + 1) = -2% - 1
(-x2 + x) + (x2 - 3x + 1) = -2x - 1

the reporter's right

step-by-step explanation:

1/4 = .25 / 25%

answer: 1inch=7days  

12inch=12*7=84days

step-by-step explanation:

x coordinate can be written by using the formula, x= x1 + 2/5(x2 - x1)

step-by-step explanation:

formula

x = x1 + p/w(x2 - x1)

let the line segment ab with a(x1,y1) and b(x2,y2)

a point(x,y) divide ab in the ratio, 2: 3 the x coordinate can be written as

x = x1 + p/w(x2 - x1)

here p=2 and w = 2+3

therefore,

x coordinate can be written by using the formula, x= x1 + 2/5(x2 - x1)

similarly y coordinate y = y1 + 2/5(y2 - y1)