Select the system: x+1=y x²+y²-2y+2x+1=0

How many sides does a regular polygon have if each exterior angle measures 72a.3b.4c.5d.6

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

To make a monster appear large in a movie, a human actor wore a costume and walked through a scale model of a city. the scale used was 1 inch = 15 feet. the actor is 60 inches tall. how tall does the monster appear in the movie? question 5 options: 720 feet 75 feet 4 feet 900 feet