Lexie is making a model of the empire state building. the scale of the model is 1 inch = 9 feet. the needle at the top is 31.5 feet tall. how big should the needle be on the model?

Draw a tape diagram to represent each situation. for some of the situations, you need to decide what to represent with a variable andre bakes 9 pans of brownies. he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.