¿Cuál es el resultado final de aumentar en un 25% una cantidad inicial de 400? A. 200.
B. 300.
C. 400
D.500.

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.

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Are the corresponding angles congruent? explain why or why not.