Which is an equation of the cosine function with an amplitude of 2, period of 1, phase shift of 11/2?

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

If the angle bisectors of a pair of opposite angles of a quadrilateral are the opposite sides of a parallelogram formed by the two angle bisectors and two sides of the quadrilateral, is the quadrilateral always a parallelogram? explain your answer.

Masons cell phone company charges $0.12 for every text message he sends plus $2.50 per month if mason sent 25 messages this month how much money does he owe the one with the correct answer and explanation gets 10 points and is marked as the brainliest answer