During lunch on Friday, 45 students in the 7th grade chose pizza. This represented 25% of the
seventh-grade class. How many students are in the
entire 7th grade class?

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Find the value of x. give reasons to justify your solutions! h ∈ ig