Z + 21/–1 = –3. z+21/-1 is a fraction

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?