Suppose △abc≅△def, m∠a=87°△abc≅△def, m∠a=87°, and m∠e=56°m∠e=56°.
what is m∠cm∠c?
56º
87º
37º
93º

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Select the lengths in centimeters that would form a right triangle

Which expression shows the sum of the polynomials with like terms grouped together