Minimo comun multiplo de 3 y 9 por favor

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

What is the perimeter of an equilateral triangle if each side is (x+3)?

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.