3.26d+9.75d-2.65 please help​

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Eis the midpoint of line segment ac and bd also line segment ed is congruent to ec prove that line segment ae is congruent to line segment be

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?