Evaluate the expression when a=2/3 and c= -2/7
-4c-a
Write your answer in simplest form.

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer