Hey! can i get some with this, ! : 3c

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

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?