Write an equivalent expression by distributing the "sign outside the parentheses:
-8.6c - (-7d - 6.8)

Statement: if two distinct planes intersect, then their intersection is a line. which geometry term does the statement represent? defined term postulate theorem undefined term

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°

What does the sign of the slope tell you about a line?