Cual es la diferencia entre una tabla de frecuencia de datos agrupados y la tabla de datos no agrupados

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.

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1