Simplify: 1/4 (2n - 2 n+ 2 )

Find the total area for the regular pyramid ( follow the answer set up in the picture)

Which of the choices shown could be used to prove that aacp=abcp ?

An unknown number x is at most 10. which graph best represents all the values of x? number line graph with closed circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the right. number line graph with open circle on 10 and shading to the left. number line graph with closed circle on 10 and shading to the left.