Is this Valid, or false?
5 less than is the difference of twice k and 12 when k equals 4.

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

If value of cos330° is √3/2 then find tan165°.

Simplify (4x^2 - 8xy + 2y^2) - (9x^2 - 4xy - 7y^2) a. -5x^2 + 4xy + 9y^2 b. -5x^2 - 4xy + 9y^2 c. -5x^2 + 12xy + 4y^2 d. -5x^2 - 4xy - 5y^2