Which sum or difference is modeled by the algebra tiles?

a.
(-x2 − 2x + 4) − (x2 + 2x + 1) = -2x2 − 4x + 3
b.
(-x2 − 2x + 4) + (-x2 − 2x + 1) = -2x2 − 4x + 3
c.
(-x2 − 2x + 4) − (x2 − 2x − 1) = -2x2 − 4x + 3
d.
(-x2 − 2x + 4) + (-x2 + 2x + 1) = -2x2 − 4x + 3

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Iam at home. /: i am playing video games. translate the following statement into symbolic form.

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.