A.10(A)

A triangle has sides whose lengths in units are represented by polynomials as shown, where x is a positive integer. Which expression represents the perimeter of the triangle in units?

A triangle has sides whose lengths in units are represented by polynomials as shown, where x is a positive integer. Which expression represents the area of the triangle in square units?

A triangle has sides whose lengths in units are represented by polynomials as shown, where x is a positive integer. Which expression represents the perimeter of the triangle in units?

Which expression is equivalent to (5rt - 3rw - 8tw) + (6rt - 4rw + 2tw)?

• 11rt + rw - 10tw

• 11rt - 7rw - 6tw

• 11rt + rw - 6tw

• 11rt - 7rw - 10tw

Which expression is equivalent to (7xy - 2xz + 5yz) + (3xy + 4xz - 6yz)?

• 10xy + 2xz - yz

• 10xy + 2xz - 11yz

• 10xy + 6xz - yz

• 10xy - 2xz - 11yz

What is the simplified form of (5ab + 3bc - 4ac) + (2ab - 5bc + 6ac)?

• 7ab - 2bc + 2ac

• 7ab - 8bc + 2ac

• 7ab - 2bc + 10ac

• 7ab + 8bc + 10ac